Course of dealing，在英美合同法中，为“交易过程”，或“交易习惯”。指的是相同当事人之间与此次合同交易相类似的合同交易过程。类似于中国合同法中当事人双方经常使用的习惯做法，即当事人之间的交易习惯。

Course of dealing：An established pattern of conduct between parties in a series of transactions.

Course of performance，在英美合同法中，为“履行过程”。指的是合同当事人履行合同的过程。这个过程中的行为，可以用来对合同进行解释。

Course of performance：the conduct of the parties under the contract in question subsequent to its formation.

参考双语例句：

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