名词
中文翻译：提前收费
同义词：
['pre-payment', 'advance payment']
例句：
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1.We need to pay the advance fee before we can access the online course.
我们需要在访问在线课程之前支付预付款。
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2.The company requires a 5% advance fee for all new projects.
该公司要求所有新项目都需支付5%的预付费用。
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3. The hotel charges an advance fee of $50 per night for early bookings.
该酒店为提前预订的客人收取每晚50美元的预付费用。