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If you're not failing every now and then, you're not doing anything very innovative.
Aquaculture companies must dare to go global and participate in international competition.
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。