From credit card users, the expenses of holding credit card include fixed costs, possible cost and potential cost, which corresponds to annual fee, all kinds of service charge and cycle interest.

从信用卡使用者的角度来看，信用卡的持卡费用主要是客户的固定费用、或有费用和潜在费用这三个方面，分别对应于其中具有代表性的年费、各种手续费和循环利息费。

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On the other hand, it reflects the low opportunity cost of holding money, as signalled in particular by the rise in the annual growth rate of M1 in recent months.

货币供应量不断增长的另一部分原因在于，目前持有货币的机会成本较低，近几个月来，M1的同比增长尤其迅速。

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The president ordered the Interior Dept. in March 2011 to identify unused acreage on federal lands (it amounts to about 72% of offshore leases and 56% of all federal land in the Lower 48, according to this report) and followed up with policy changes that shortened lease terms and increased the annual holding cost to prod companies into drilling.

FORBES: Did Obama Really Take Away Those Oil Leases?