释义：善于把握事物本质的人，不会违背金属和水的本性；善于制作器物的人，不会改变物体的形状和用途。

I was asked to act when I couldn't act. I was asked to sing 'Funny Face' when I couldn't sing, and dance with Fred Astaire when I couldn't dance. Do what you can't do!

The stranger is close to us, insofar as we feel between him and ourselves common features of a national, social, occupational, or generally human, nature. He is far from us, insofar as these common features extend beyond him or us, and connect us only because they connect a great many people.

小规模养殖者是可持续水产养殖的支柱；他们的知识是不可替代的。