求剑六的清晰版作文！

http://www.imm-diy.net/club/thread-54961-1-1.html
这儿有
而且是所有的哦

百度下帮你找到这个不知道是不是
By "luxury", we mean "a pleasant and often expensive thing that is not necessary". From a historical point of view, things which Were a luxury when they first came into being all became necessities later. When the electric bulb was first invented in the U.S., it was such a luxury that only government bodies could afford to use it. Nowadays, however, it has reached every part of the world. It is the same case with telephone, TV, and a lot of others, which were all luxuries years ago.

Anything, no matter how luxurious it is, will become a necessity when it is widely used. This is true of many of the present luxuries, including mobile phones, cars, computers and many other things. It is known to all that the purpose of the development of science is to ma