但当我把这告诉一位我认识的生态学家时，她吓了一跳。

But when I told an ecologist I know, she was horrified.

youdao

三者之中，生态效益是第一位的。

Among the three parts, the first one is the most importamt.

youdao

三者之中，生态效益是第一位的。

Among the three parts, the first one is the most importamt.

youdao