视频对白:

So they delay their breeding until Setember to coincide.
所以它们延迟到9月才繁殖，以配合一场盛大的迁徙。

coincide

vi.与…一致；想法、意见等相同

Those mexicans who agree that their country must change will hope the two coincide.
那些认同他们的国家必须改革的墨西哥人只能希望两个计划出现一致了。

But there are crucial areas where our interests coincide, on which we must work together.
但在一些关键领域我们也有一致的利益，需要就此展开合作。