We can have a positive function in the ecosystem.

我们能在生态系统中发挥积极的作用。

That right there seems like a big drawback that we didn’t consider when we talked about the positive functions of schools.

这似乎是我们在谈论学校的积极作用时没有考虑到的一个很大的缺点。

You might use them to celebrate the expiration of someone you didn't like, but they can also serve a positive function.

您可以用它们来庆祝您不喜欢的人过世，但它们也可以起到积极的作用。

But some researchers have proposed that secretions from the armpit could have a positive function, too, like cementing social bonds and providing a means of chemical communication.

但是一些研究者提出腋窝的分泌物也存在积极作用，例如巩固社交联系，提供一种化学层面的交流。

It can be bad at providing good explanations for why change happens, and it can also interpret bad things in society as having positive functions, which should therefore not be changed.

它也可能将社会陋病定义为正面的功能，并支持此陋病。