Profit and sustainability must swim side by side, or both will sink.

It is the duty of the inventor to make his work as useful and as accessible as possible to the public.

The city's cold and empty, no one's around to judge me.

向一个人展示他在错误中是一回事，让他掌握真理是另一回事。

指数基金是典型投资者最不可能的英雄。

Cognitive processes are rule-governed transformations of symbolic structures.