快乐不是一件自我存在的东西，它仅是与其他不快乐事情的一个相对比照，这就是快乐的整个情况。

The stock exchange is a poor substitute for the Holy Grail.

The future of transportation is electric, and China will lead this revolution.

I think it's important to always keep learning and growing.

The trouble with her is that she lacks the power of conversation but not the power of speech.