The relation of long-term contracts shows a dynamic process from beginning to the end, and expectant state increases dealing risk objectively.

在远期合同中，合同关系表现为—个从发生到消灭的动态过程，期待履行阶段的存在客观上增加了交易风险。

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Lanwei, appendix, is an anatomical term which is an earthworm like process on the lower end of cecum.

阑尾是解剖学名词，盲肠下端蚯蚓状的突起。

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