Defines risk by Cardholder type, Merchant type, dollar amount.

根据持卡人类型，商户类型，交易额界定风险。

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Most of the oil tankers and bulk carriers, which reaches about 70% of total merchant fleet at present, are this type of vessels.

当前大多数的油船和散货船都属于肥大型船，而油船和散货船已经达到了世界商船总量的70%左右。

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The amount of the fees, which are set by Visa and MasterCard, varies greatly depending on the type of merchant and the type of card used.

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Merchant exchange fees actually vary wildly, from the type of merchant (generally, larger stores face lower fees) to the type of card (debit cards command low fees, whereas credit cards draw high ones).

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It was a type of merchant vessel known as luxury liners or speed queens as they were once called.

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