The birds don't mean to cause harm, but the chemicals they carry can cause major problems.

这些鸟本意并不想造成伤害，但它们携带的化学物质会造成重大问题。

Climate change will cause harm.

气候变化也会造成伤害。

Films can cause harm.

胶片可能造成损害。

Because pollution will, of course, cause harm.

因为污染当然会造成危害。

But whenever you cause harm, you should normally compensate the victim.

但是不论何时造成伤害，你都应当正常的赔偿受害者。