The law prevented the employment of children under ten in the cotton mills.

法律禁止棉纺厂雇用十岁以下的童工。

《牛津词典》

According to the traffic law, children under 12 mustn't ride bicycles on the road．

交通法规规定，12岁以下儿童不能在道路上骑自行车。

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France passed a law banning the use of mobile phones on school grounds for children under the age of 15.

法国通过了一项法律，禁止15岁以下的孩子在学校使用手机。

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If there is no survivorship clause in the title deeds, your mum's half of house could pass under the law of intestacy to the four children equally (assuming no surviving spouse or new partner).

BBC: Fergus Muirhead answers your consumer questions

The U.S. Supreme Court, as expected, struck down a California law banning the sale of violent video games to children, saying video games are protected under the First Amendment and the law was an unconstitutional restriction of the freedom of speech.

FORBES: Supreme Court Strikes Down Ban On Video Game Violence

The law prohibits children under 14 from working in factories, slaughterhouses or other dangerous locations.

FORBES: Magazine Article