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希望好像一个家庭,没有它,你会觉得生活乏味;有了它,你又觉得天天为它辛劳,是一种烦恼。
Sustainable fishing isn't an option - it's the only way forward if we want to preserve both our industry and our oceans.
A mathematician's work is never done; there are always new questions to explore and new mysteries to uncover.
In every story, there is a hidden truth waiting to be discovered.