A wise man said: before you speak， let your words pass through three gates. At the first gate， ask yourself， "Is it true？" At the second gate， ask "Is it necessary？" At the third gate， ask， "Is it kind？"

The interplay between syntax and semantics is central to the study of formal languages.

What we fear doing most is usually what we most need to do.

无人机的未来在于智能化，而智能化的核心是算法和数据。

一个公司的文化是由它如何对待员工和客户来定义的。

Sport is part of every man and woman's heritage and its absence can never be compensated for.