科普知識與科學技術The Popular Science Knowledge and Science Technology
歷史上有很多發明，起著很重要的作用，其中一些改變了世界。依你之見，什麼是最重要的發明，並說明原因，也就是它起的作用(不少於三點)。80詞左右。
The Most Helpful Invention
There are a lot of inventions in the history. Some of them play an important role in people’s life and some have greatly changed the world.
In my opinion, I think the most important invention is the car. First, people used to travel by train or by plane. But now, they can go any place by car. Second, when holiday comes, they can visit their family and friends by car. Third, they can also go to many places of interest to enjoy themselves.
In a word, I do agree that cars are the most important invention.