in addition和in addition to的区别如下所示：
1、用法不同：
in addition to整个词组相当于一个介词，后面要接名词或是动名词做to的宾语。
in addition在句子里单独做状语，一般用逗号隔开。
2、意思不同
in addition除了表示＂表示除…之外＂，还表示另外。
in addition to表示“除…之外（还有，也）”的意思。
相关用法例句：
You need money and time, in addition, you need diligence.
你需要金钱和时间，此外你还需要努力。
In addition to giving me some advice, he gave me some money.
他不仅给我提了些忠告，而且还给了我一些钱。
in addition和in addition to的区别是：
1、意思不同
in addition to意思是除…之外；除…之外又，加上……。
in addition意思也；另外，加之。
2、词性不同
in addition to以介词结尾，作用相当于介词。
in addition以名词结尾，作为相当于副词。
3、用法不同
in addition通常放在从句的句首，后面接完整的句子。
in addition to后面要接宾语。
近义词
1、as well as
除…之外；也；还。
They sell books as well as newspapers.他们既卖报也卖书。
She is a talented musician as well as being a photographer.她不但是个摄影师而且还是个天才的音乐家。
2、other than
除…之外（还）。
Are you studying any science subjects other than chemistry?除了化学以外，你还修别的理科课程吗？
本回答被网友采纳从释义，用法，使用环境，形象和影响范围五个维度分析in addition和in addition to的区别，详细内容如下。
1. 释义区别：
- "In addition"：表示补充某事物或信息，引出一个额外的观点或事实。
- "In addition to"：表示除了某事物或信息之外还有其他补充内容。
例句：
- He enjoys playing tennis. In addition, he also likes swimming. (他喜欢打网球。此外，他也喜欢游泳。)
- In addition to fruit, we also have a variety of snacks available. (除了水果外，我们还提供各种小吃。)
2. 用法区别：
- "In addition"：用于引出一个额外的观点、事实或信息。
- "In addition to"：用于表示除了某事物之外还有其他补充内容。
例句：
- They are talented musicians. In addition, they are also excellent dancers. (他们是有才华的音乐家。另外，他们也是出色的舞者。)
- In addition to studying English, I am learning Spanish. (除了学习英语，我还在学西班牙语。)
3. 使用环境区别：
- "In addition"：适用于引出补充的观点、事实或信息的情境。
- "In addition to"：适用于描述除了某事物之外还有其他补充内容的情境。
例句：
- We have a new employee joining the team. In addition, we are also implementing a new project management system. (我们有一名新员工加入团队。此外，我们还在引入一套新的项目管理系统。)
- In addition to his academic achievements, he is also actively involved in extracurricular activities. (除了他的学业成就外，他还积极参与课外活动。)
4. 形象区别：
- "In addition"：强调补充的观点、事实或信息，扩展概念或范围。
- "In addition to"：强调除了某事物之外的其他补充内容。
例句：
- She is talented in painting. In addition, she is also skilled in sculpture. (她在绘画方面很有天赋。此外，她在雕塑方面也很擅长。)
- In addition to playing the guitar, he can also play the piano. (除了弹吉他外，他还会弹钢琴。)
5. 影响范围区别：
- "In addition" 和 "In addition to" 的影响范围在描述补充观点、事实或其他内容的情况上有所区别。
例句：
- They have a dog. In addition, they also have two cats. (他们有一只狗。此外，他们还有两只猫。)
- In addition to studying biology, she is also learning chemistry and physics. (除了学习生物学，她还在学化学和物理学。)
首先我们来看下in addition和in addition to的大致意思：
in addition：词性为短语，除了
in addition to：词性为介词短语，除了...还有
通过下面的表格我们了解下in addition和in addition to的含义、发音和用法
接下来让我们看下in addition和in addition to的用法区别：
1.词汇形式：in addition是一个由三个单词组成的独立短语，而in addition to是一个由四个单词组成的介词短语
例子：
- I like dancing. In addition, I like singing.
(我喜欢跳舞。此外，我还喜欢唱歌。)
- In addition to studying English, he also likes playing games.
(除了学习英语，他还喜欢玩游戏。)
2.词性：in addition是一个短语，没有特定的词性，而in addition to是一个介词短语，属于介词短语的词性
例子：
- I have two things to do today. In addition, I need to go to the supermarket to buy groceries. Furthermore, I have to go to the bank to deposit money.
(我今天要做两件事。首先，去超市买菜。其次，去银行存钱。)
- We need to prepare some food. In addition to fruits, we also need some snacks.
(我们需要准备一些食物。除了水果，我们还需要一些零食。)
3.含义：in addition表示添加或附加的意思，强调连贯性；而in addition to表示除了...之外，还有...，强调并列性
例子：
- I have finished the homework. In addition, I did some extra exercises.
(我已经完成了作业，此外，我还做了一些额外的练习。)
- In addition to studying, he also participated in many extracurricular activities.
(除了学习，他还参加了许多课外活动。)
4.发音：两者的发音相同，无区别
例子：
- We need to buy some furniture. In addition, we also need to buy some decorations.
(我们需要购买一些家具。此外，我们还需要买一些装饰品。)
- In addition to milk, we also need some eggs.
(除了牛奶，我们还需要一些鸡蛋。)
"In addition" 是一个用于连接句子的短语，表示此外、另外，可以用于句子的中间或结尾，不需要后面添加其他词；而 "in addition to" 是一个介词短语，用于引出额外的事物或要素，通常放在句子的开头或中间，并且需要后面接一个名词、代词或动名词短语。
大家可以先看下面的表格了解一下 in addition和in addition to 吧：
in addition和in addition to的区别：
区别1. "in addition" 和 "in addition to" 的结构和用法不同：
- "in addition" 是一个副词短语，用于连接句子，表示在前面提到的内容之外还有其他相关内容。
- "in addition to" 是一个介词短语，用于引出额外的事物或要素，并需要后面接一个名词、代词或动名词短语。
例子：
a. She likes swimming. In addition, she enjoys playing tennis.（她喜欢游泳。另外，她也喜欢打网球。）
b. We have completed the report. In addition, we prepared a presentation.（我们完成了报告。此外，我们准备了一份演示文稿。）
区别2. "in addition" 不需要后面添加其他词，而 "in addition to" 需要接一个名词、代词或动名词短语。
例子：
a. In addition to English, he also speaks French.（除了英语，他还会说法语。）
b. In addition to studying, she enjoys playing the piano.（除了学习，她喜欢弹钢琴。）
区别3. "in addition" 可以用于句子的中间或结尾，而 "in addition to" 通常放在句子的开头或中间。
例子：
a. We have finished the project. In addition, we will start a new one next month.（我们完成了这个项目。此外，下个月我们将开始一个新项目。）
b. In addition to his regular job, he also volunteers at a local charity.（除了他的常规工作，他还在当地的慈善机构做志愿者。）
区别4. "in addition" 强调补充信息或扩展内容，而 "in addition to" 强调额外的事物或要素。
例子：
a. The hotel provides free breakfast. In addition, guests can use the swimming pool and gym.（这家酒店提供免费早餐。此外，客人还可以使用游泳池和健身房。）
b. In addition to being a great actor, he is also an accomplished writer.（除了是一名优秀的演员，他还是一位有成就的作家。）
本回答被网友采纳