一年以前，销售商在他们的合同中定义了伸缩条款以应付上涨的商品价格。

A year ago sellers demanded escalation clauses in their contracts because of rising commodity prices.

youdao

一年以前，销售商在他们的合同中定义了伸缩条款以应付上涨的商品价格。

A year ago sellers demanded escalation clauses in their contracts because of rising commodity prices.

youdao