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The true cost of seafood isn't just the price tag—it's the environmental impact.
The past is always tense, the future perfect.
在一个不断变化的世界中茁壮成长,你必须愿意适应和创新。
生活就是受苦,生存就是在苦难中找到一些意义。
The use of a program to prove the 4-color theorem will not change mathematics - it merely demonstrates that the theorem, a challenge for a century, is a finite problem.