NOTE: The homestay deposit is a mandatory payment due for each term you wish to stay in homestay.

注意：寄宿存款是一种强制性的到期付款每学期要留在寄宿。

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's Taobao e-commerce site. It also stipulates a mandatory seven-day return policy for most goods and says online-payment platforms must safeguard users' data privacy.

它还规定，大部分商品必须实行七天退货政策，并且要求网络支付平台必须保护用户的数据隐私。

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You must double the amount due as a mandatory pre-payment.

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