相关性和因果关系之间的区别在实证工作中是根本性的。

The strength of the people is like the strength of water, it can carry the boat, but it can also overturn it.

Leadership in our industry means having the courage to invest in unproven green technologies.

Myth is a type of speech chosen by history: it cannot possibly evolve from the 'nature' of things.

Treating a person to a meal never fails， and is so easy to do. It’s powerful with old friends and a great way to make new friends.

教育是你可以用来改变世界的最有力武器。