the one 和 one 的用法和区别：
1、one 用作替代词主要用于替代“a＋单数可数名词”，表泛指；若需特指，则用 the one。
2、the one表特指，但只用于替代单数可数名词。
3、one是泛指，指代前面提到的同类人或物（可数名词）中的一个，其复数用ones，前面一般有定语。
4、 the one 是特指，指代前面提到的同类人或物（可数名词）中的一个，其复数用the nes。
拓展资料
the one
1、My mom was the one who mediated between Zelda and her mom
我妈妈充当了泽尔达和她妈妈之间的调解人。
2、Have you heard the one about the Irishman, the Englishman and the American?
你听过那个关于爱尔兰人、英国人和美国人的笑话吗？
3、The one rhyme for passion is fashion
和passion押韵的词是fashion。
4、You'd think you were the one who did me the favor, and not the other way around.
应该是你帮了我，而不是我帮了你。
5、Due to official parsimony only the one machine was built.
由于官方过于吝啬，仅制造了那一台机器。
one
1、oneThey had three sons and one daughter.
他们有3个儿子，1个女儿。
2、They had alienated the one man who knew the business.
他们弄僵了同那个唯一懂行的人之间的关系。
3、There is one thing I would like to know — What is it about Tim that you find so irresistible?
有一件事我很想知道——蒂姆到底哪一点让你对他如此倾心？
4、If we ever get married we'll have one terrific wedding
如果我们哪一天结婚的话，一定会有一个棒极了的婚礼。
5、It seems that the fifth man is one John Cairncross.
第五位好像是一个名叫约翰·凯恩克罗斯的人。