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I always thought I wanted to play professionally, and I always knew that to do that I'd have to make a lot of sacrifices.
我一直认为我想成为职业球员,我一直知道要做到这一点我必须做出很多牺牲。
That “democracy” is a somewhat vague term which I cannot define precisely. We ought to say, therefore: “I am fairly certain that it is a good thing if a government has something of the characteristics that are common to the British and American Constitutions,” or something of this sort.
The pain you feel today will be the strength you feel tomorrow.
In mathematics, you don't understand things. You just get used to them.