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I'm a risk-taker, I like to challenge myself.
There is no such thing as a moral or an immoral book. Books are well written, or badly written. That is all.
歧视对实施者来说是昂贵的,因为它减少了他们可用的人才库。
物理学家必须有一种信念,即自然之书是用一种他可以学会阅读的语言写成的。