Not only that, but one purpose for dreaming itself may be to help us find solutions to puzzles that plague us during waking hours.

不仅如此，做梦本身的目的之一，可能就在于它可以帮助人们去发现在醒着的时候使他们感到困扰的难题解决办法。

youdao

And bubonic plague, spread by rat fleas, is normally preceded by the death of hordes of rats (only then do the fleas opt for humans). Yet no one in 1348 recorded this.

黑死病由鼠蚤传播，在此之前通常都有大批的老鼠死亡(只有在这时跳蚤才选择人类作宿主)，但在1348年没有人记录下这些。

youdao

Today, chronic power shortages plague 30 African countries and only one in four Africans has access to electricity.

如今，电力长期短缺困扰着30个非洲国家，只有四分之一的非洲人用上了电。

youdao

But there's another resource-draining plague afflicting these countries, one hiding in plain sight: smoking.

FORBES: Magazine Article

Only one state, South Dakota, remains plague-free, and it contains about a third of the remaining black-tailed prairie-dog population.

ECONOMIST: An endangered nuisance

Of course, my hope, beyond taking care of my injuries, is that one day soon, the major diseases that plague humanity will be eradicated.

FORBES: Data to Kill Death