The best way to learn mathematics is to do mathematics.
学习数学的最好方法就是做数学。
The past is never dead. It's not even past.
Diplomats should have the ability to respect and understand other countries and cultures, as well as the ability to communicate across language and cultural barriers.
I think it would be a disaster. The extraterrestrials would probably be far in advance of us. The history of advanced races meeting more primitive people on this planet is not very happy, and they were the same species. I think we should keep our heads low.
即使可以传达,也无法被理解。