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A swimmer can't swim under water very long, because he must take a breath.
游泳的人不能在水下游太久, 因为他必须呼吸.
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Instead, the experts say, parents should take a breath and look for alternatives.
而专家表示, 做父母的应该歇口气,放松放松,寻找其他的解决办法.
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