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Technological innovation is the fundamental way to solve the problems of the coal industry.

我不怕辛苦工作。我在一個把努力工作當作生活方式的家庭中長大。

數學的快樂來自于為理解而奮斗。

I think fashion is really important because it's a way of expressing yourself without having to say anything.

Immigration has a much smaller effect on native wages than most people believe.

每個家庭都是一個團結的小社會，自由和相互之間的感情是他們唯一的紐帶。

讓項目更快完成的最好方法是盡早開始。