写作思路：
以销售为主题，突出电脑的特别之处，结合现实，贴近生活。
正文：
This computer was bought in a Lenovo’s shop in 2016. This computer can be used normally. It has some light scratches and little paper stickers on the surface of this computer. But don’t worry, the paper sticks can be taken away. If you still mind these shortages, I can give you some discounts.
这台电脑是2016年在联想的一家商店里买的。这台电脑可以正常使用。这台电脑的表面有一些轻微的划痕和小纸条。但别担心，纸条可以拿走。如果你还介意这些短缺，我可以给你一些折扣。
Computer has considered to be one of the most important inventions in 20 century. It has brought many changes in this world. With the rapid development of science and technology, more and more people have their own personal computer.
It’s not only can do the calculations at a very high speed, but also can access to the Internet to get information from the outside world.
销售一件曾经在大学用的电脑，因为电脑被认为是20世纪最重要的发明之一。它的出现，给世界带来了众多变化。随着科学技术的快速发展，越来越多的人们拥有自己的电脑。电脑不但能高速运算数据，也能链接互联网给人们带来外面的资讯。
Computers play an very vital role in our daily life. They can do a lot of things. Access to the Internet, you can find the answers to your questions, you can do on line shopping without going outside. Computer has provided us lots of convenience. There is no doubt that people can have a better life with computer.
电脑在人们的日常生活中扮演重要角色。它们能做很多事情。链接因特网，你就能找到问题的答案，你不用出门，就能够在网上购物。电脑给人们带来了很多方便。毫无疑问，电脑使人们的生活变得更加美好。