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Chemistry is not just a science—it’s a way of thinking.
The great struggle of the twentieth century was between liberalism and totalitarianism.
Now, my mama always told me that miracles happen every day. Some people don't think so, but they do.
The sweetest fruits are those grown with integrity.
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。