You can actually have more than one directory in your sourcepath, separated by semicolons, though this is usually not necessary.

在源路径中可以有多个目录，使用分号分隔各目录，但通常没有必要这么做。

youdao

Doing that was not actually necessary.

这样做其实并不必要。

youdao

Actually, it is not used, because it is no longer necessary.

事实上，它没有用上，因为不再需要它。

youdao

On the other hand, said the IISL, it is not always necessary to actually own something in order to make money from it, as long as you have both the legal right and the practical ability to do so.

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For the first time in living memory, a prime minister of the UK has gone to an EU summit, not only prepared to say no, but in the event actually used the veto when it became necessary in our national interest.

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As I say, it's much better to set a broad direction at this stage, which is for lower, simpler, flatter taxes, if necessary and then people know the direction you're travelling in, but you're not actually writing budgets, five years before they have to be delivered.

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