汉语商务信函，指的是在商业贸易中交易双方之间的往来信件。

Chinese business correspondence, refers to the correspondence between the two parties in the process of business trade.

youdao

汉语商务信函，指的是在商业贸易中交易双方之间的往来信件。

Chinese business correspondence, refers to the correspondence between the two parties in the process of business trade.

youdao