The European Court of Justice (ECJ) sits in Luxembourg and ensures compliance with EU law.

欧盟委员会旗下的欧洲法院（ECJ）坐落在卢森堡，主要确保欧盟成员国都能遵守欧盟的法律。

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America, for example, is furious about a recent EU law on the chemicals industry in Europe which has consequences for the whole world because of Europe's importance as a market.

比如，美国对欧洲最近在化工方面的法律就感到强烈不满，由于欧洲在市场上的重要性，这一法律导致全球性的结果。

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If the sovereignty act suggests that EU law loses its primacy over domestic law, however, the European Court of Justice might strike it down.

但是，如果主权法暗示了欧盟的法律不能高于国内法，欧洲法院可能会宣布它无效。

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It sets out certain political, social and economic rights of EU citizens, and allows the European Court of Justice to strike down any aspect of EU law that is deemed to contravene the charter.

BBC: Civil Liberties Committee

The US Patriot Act has been cited as an example of a law where the submission of personal data stored in the EU is required to be submitted to the US authorities.

BBC: Data protection question

Reacting to the vote on Monday, European Commission President Jose Manuel Barroso said the adopted amendments "raise concerns with respect to the principle of the rule of law, EU law and Council of Europe standards" and the Commission would "make a detailed assessment" and act accordingly.

BBC: Q&A: Hungary's controversial constitutional changes