But learning is not enough. We must also understand.

但光学是不够的，我们必须去理解。

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Also, in order to understand the themes, we must also understand the conclusions presented.

为了明白这些主题，我们还必须明白书中所提出的结论。

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We always try to put on a good performance, but we must also understand that right now the victory is the most important thing for Milan.

我们总是希望能够有好的表现，但是我们都必须清楚，现在胜利对米兰来说才是最重要的事。

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We must also understand all aspects of poverty in order to tailor our response appropriately.

UNESCO: Poverty is a Violation of Human Rights

We must also understand that the interests of states change, and today's veto may not last long.

BBC: Chinese, Iranian press alone back UN Syria veto

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