Data-driven policies are essential to ensure the long-term viability of marine resources.
一个好的数学家是能看到定理之间类比的人;一个伟大的数学家是能看到类比之间的类比的人。
I am the happiest creature in the world. Perhaps other people have said so before, but not one with such justice. I am happier even than Jane; she only smiles, I laugh.
解析:通过实践磨练自己。