advance payment

基本解释

Require advance payment for a "starter kit" or "handbook"
要求提前支付“新人工具包”或“手册”的费用
Methods of payment: after the contract is signed and before the production, Party B shall make an advance payment of 30% of the total as the subscription.
付款方法：合同签订后，制作前，乙方预付甲方总货款的 30% 做订金。
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In the event of such termination of this Contract, Seller shall return to Buyer any advance payment (including down payments under Articles 5.1) received from Buyer under this Contract.
在本合同终止时，卖方应当退还根据本合同从买方收到的所有预付金（包括根据第5.1款项下的预付款）。
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Helmand Province Governor Gulab Mangal said an Emergency staff member received $500,000 as an advance payment for killing him.

Students who request an advance payment will have those funds deducted from future benefits.
FORBES: Magazine Article
A.'s 57 regional offices can request what amounts to an advance payment of their educational benefits.
FORBES: Magazine Article
The advance payment would be applied as an offset against future royalties due under the license agreement.
FORBES: Corporations Can Prepay Royalties To Access Foreign Cash