名词
中文翻译：限制
同义词：
['boundary', 'restriction', 'constraint']
例句：
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1. The government has set a limit on the amount of oil that can be used in cars.
政府已经设定了汽车使用油量的上限。
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2. The teacher set a limit on the time students could use their computers.
老师对学生使用电脑的时间设定了一个限制。
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3. The company has a limit on how much it will pay for goods.
公司对货物的支付金额设定了一个限制。