移民的影响往往是局部的，并且与具体背景相关。
The effects of immigration are often localized and context-specific.
经济学的任务不仅在于解释现象，更在于为社会提供实际的建议和政策。
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'
I don’t like to be comfortable, I like to grow.
时间是最好的作者：总能找到一个完美的结局。