Well, how about some more practical arguments, then?

那么，一些更实际的论据如何呢？

Billings: Well how about some more practical arguments, then?

那么，来点更实际的论据怎么样？

He had set aside all sentimental pretexts for retaining Vyse; but a practical argument replaced them.

他已经搁置了保留 Vyse 的所有感伤借口。 但一个实际的论点取代了他们。

But no matter how you feel about bees, or trees, or even fleas, here's one totally practical argument for keeping as many species around as possible: biodiversity is good for the economy.

但是，无论你对蜜蜂、树木、甚至跳蚤的看法如何，这里有一个完全实用的论据，即尽可能多地保留物种：生物多样性对经济有利。