It's already common practice worldwide to limit students' use of mobile phones in primary and secondary schools.

限制中小学生使用手机已经是全世界的普遍做法。

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It's already common practice in some countries to limit students' use of mobile phones.

限制学生使用手机在一些国家已经是很普遍的做法。

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The safest way to practice Padmasana and related poses is to strongly rotate your thigh outward at the hip and not go deeper into the pose when you reach the limit of your outward rotation.

练习莲花类体式的安全之道是，从大腿根开始将大腿外旋至(但不要超越)自己的极限。

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But opponents of a limit on total spending think that it might, in practice, be a limit on freedom of expression.

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This is a best-practice time-limit adopted by the world's space agencies for the removal of their equipment from orbit once it has completed its mission.

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On four greens, the players were asked to only hit one shot in the practice rounds and limit their putting to alleviate stress on the greens.

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