For each purchase, the bank charges the merchant a commission (discount fee) for this service and there may be a certain delay before the agreed payment is received by the merchant.

对于每笔购买交易，银行都会为此向商户收取手续费(折扣费)，在商户收到同意付款前，可能会有一定延迟。

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The transaction fee (also known as the discount fee) is the commission charged to merchants as a percentage of the dollar value of transaction on American Express cards.

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Once the agency is able to set its own fees, micro-entities can also receive the 75 percent discount on this fee.

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The Quadrangle affiliate ultimately agreed to make and distribute the DVD at a discount from its standard fee.

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