解释：兄弟之间虽然会因谗言而起争执，但在遇到外人的侮辱时仍应一致对外。

Girls have to go into the world and make up their own minds about things.

The use of a program to prove the 4-color theorem will not change mathematics - it merely demonstrates that the theorem, a challenge for a century, is probably not important to mathematics.

艺术是唯一一种不用离家就能逃离的方式。

The biggest risk is not taking any risk.

音乐行业是残酷的，但如果你足够优秀，你就会生存下来。

最优财政政策的设计应旨在减轻时间不一致性和政治经济周期引起的扭曲。