写作思路及要点：审清题目，确定中心，选择材料。
With the development of the Internet and the popularization of computers, online shopping has become a common phenomenon in our life.
随着互联网的发展和计算机的普及，网上购物已经成为我们生活中的一种普遍现象。
Here, consumers can buy almost everything they need.
在这里，消费者几乎可以买到他们所需要的一切。
Online shopping has many advantages, perhaps the most important of which is its convenience.
网上购物有很多优点，其中最重要的也许是它的便利性。
People don't have to waste a lot of energy and valuable time to choose the goods they like from one store to another.
人们不必浪费大量的精力和宝贵的时间从一家商店到另一家商店去选择他们喜欢的商品。
This is especially desirable for the elderly, patients and busy people who can't go to the store in person.
这对于不能亲自去商店的老人、病人和忙碌的人来说尤其可取。
However, online shopping also has its disadvantages.
然而，网上购物也有它的缺点。
The first disadvantage is that consumers can't see the goods and can't try them on in person.
第一个缺点是消费者看不到商品，也不能亲自试穿。
Sometimes, real goods may be different from what they see on the computer.
有时，真正的商品可能与他们在电脑上看到的不一样。
The second disadvantage is that some stores on the Internet are not registered.
第二个缺点是互联网上的一些商店没有注册。
After they get the money from you, they will never give you anything again.
他们从你那里拿到钱后，再也不会给你送东西了。
Once you are deceived, you will find that you have nowhere to complain.
一旦上当受骗，你会发现你无处抱怨。