但是，这两项转变对于减轻全球失衡虽然是必需的，却还不够。为此，汇率也必须调整。

But while these two shifts are necessary to reduce global imbalances, they are not enough. For that, exchange rates must also adjust.

youdao

虽然本文仅介绍了必需的实用工具，但是您可以利用这些实用工具来简化管理。

Although the article explains the required ones, you can tap them for easy administration.

youdao

该例中两者是一致的，虽然这不是必需的。

In this example they're the same, though they don't have to be.

youdao