筹划洋人的事情一定要先了解洋人的情况,要了解洋人的情况一定知道洋人的情况。
The truth is, I don't know what I would have done without mathematics.
Sustainability is not an option; it's a necessity for the future of our industry.
A long habit of not thinking a thing wrong gives it a superficial appearance of being right.
In the end, we will remember not the words of our enemies, but the silence of our friends.