Though illegal under international law, the bans are generally applied with impunity.

尽管在国际法的框架下这是违法的举措，但实行此禁令并没有相关的惩罚措施。

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Some companies use it even though it is illegal.

尽管非法，有的公司也用。

爱护小朋友 - SpeakingMax英语口语达人

Though illegal immigration was the most important issue for Republican voters, the economy was a close second.

CNN: Democrats voted for change, GOP for faith and values

Ministers' concerns centre on a number of practices, which, though not illegal, appear contrary to the spirit of the legislation.

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Though not illegal, this does allow corrupt brokers to hide illegal late trades in a batch of otherwise legitimate trades.

ECONOMIST: Today Putnam, tomorrow the rest | The