人心比万物都诡诈，坏到极处，谁能识透呢？

"The past is always tense, the future perfect."

城市从不沉睡，它的黑暗也是如此。

The psychologist must avoid all forms of reductionism.

我不是一个退缩的人。

The value chain is the set of activities through which a product or service is created and delivered to customers.