🗣️ 情景例句
What's the book about?
这些书写什么？
We are sure both of us have a brighter future.
我们相信双方都有一个光明的前景。
Some of the bigger firms are engaged in researches which are of such general and fundamental nature that it is a positive advantage to them not to keep them secret.
某些大公司进行的研究属于一般和基础性的研究。因此不保密对他们才有利。