Now, several states are moving to tighten laws by adding new regulations for opting out.

现在，有几个州正在采取行动，通过增加关于退出权方面的新法规使法律变得更严格。

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There's so much confusion about what opting out is..

现在关于什么是自愿还有很多疑惑。

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Participation in Halloween is not mandatory, but opting out won't stop it happening.

参加万圣节之夜并不是强制的，但是选择不过并不能躲开万圣夜。

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Already Malaysia has discovered that opting out of the international monetary system is not easy.

ECONOMIST: Dead Ostrich Bounce

Opting out of the tax would also bar people from acting as godparents to Catholic children.

BBC: German Catholics lose church rights for unpaid tax

The first wave of opting out schools are expected to become academies in September.

BBC: MPs pass law paving way for school shake-up in England