电子系统中的拓扑保护概念是一个深刻的见解，它连接了抽象数学和实用物理学。

The defining characteristic of pessimists is that they tend to believe bad events will last a long time, will undermine everything they do, and are their own fault.

作家在自己的国家必须是个陌生人。

I like to be different and stand out.

Will you play it safe， or will you be a little bit swashbuckling？