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Aquaculture isn't an alternative to traditional fishing; it's a necessary evolution.
I don't think I'm a bad person. I just have a bad lifestyle.
数学不是一门演绎科学——那是陈词滥调。当你试图证明一个定理时,你不仅仅是列出假设然后开始推理。你所做的是反复试验、实验和猜测。