The great advantage of a hotel is that it’s a refuge from home life.

写作就是回忆，回忆就是再次生活。

The invention of the cotton gin was the result of necessity and observation.

最重要的是让合适的人担任合适的职位。

The past is never dead. It's not even past.

The best legacy we can leave is a living one.

社会系统是个人之间以及群体之间关系的系统。