对煤炭的战争就是对美国工人的战争。
Kindness can be a revolutionary act in a world that often rewards selfishness.
The language of mathematics is universal, transcending cultural and linguistic barriers.
You must be filled with expectancy. You must be awash in hope.
检验一个经济学家是否优秀的标准,是看他能否比别人更好地解释过去。
公众在得到之前并不知道自己想要什么。