进口人在汇票到期时才履行付款义务。

Payment will be made when the usance period is due.

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如果该合同不能正常履行是由不可抗力引起，合同各方均毋须对货物灭失负责也毋须对合同履行失败负责，只需履行付款责任。

Status Offline Parties shall not be responsible in damages or otherwise for any failure of performance of the agreement other than the payment of money if such failure results from Force Majeure.

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这些衍生品的合约规定，当一批被列入好几个高收益(即垃圾)指数的公司发生亏损时，伯克希尔-哈撒威需要履行其付款义务。

These derivatives require Berkshire to pay when losses occur at companies that are included in several high-yield, or junk, indexes.

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