To understand that, we must understand why suffering makes us dull.

了解这一点，我们必须了解为什么痛苦让我们迟钝。

youdao

We must understand why, but we hope and think that this was just an isolated case.

我们必须知道原因，希望这仅仅是个例外。

youdao

We've spoken about it with the coach and we must understand why there have been performances like the one on Sunday, which aren't worthy of a big team.

我们不能说这只是教练的问题，必须想想我们每个人自身是否履行了自己的职责，在一个大集体中这是很值得我们考虑的。

youdao

Because we understand that, we can also understand why some of them must be kept intact and why some of them we can destroy.

NEWYORKER: Master of Play

To understand why, we must consider what led the market to price gold so far above its production costs.

FORBES: Gold Sets Up As The Next Great Short

To understand whether our recovery is in jeopardy, we must first grasp what prospers us, why economies recede and then what rejuvenates them.

FORBES: Oil Spikes, Double Dips And Dilapidated Dollars