一个教训是，鱼种不能捕捞到使生态系统失衡的程度，这个结论不需要吃鱼的杰夫斯（万能管家）的大脑才能理解。

One lesson here is that no species should be fished to the point where the ecosystem is unbalanced. That conclusion hardly requires the fish-fed brain of Jeeves.

youdao

一个教训是，鱼种不能捕捞到使生态系统失衡的程度，这个结论不需要吃鱼的杰夫斯（万能管家）的大脑才能理解。

One lesson here is that no species should be fished to the point where the ecosystem is unbalanced. That conclusion hardly requires the fish-fed brain of Jeeves.

youdao