Two main trade groups serve the barter exchange industry.

二家主要易货交易机构服务于易货行业。

youdao

Trade bodies, thinktanks and other interest groups had 1,409 meetings.

贸易组织，智库和其他利益团体和大臣们会见1409次；

youdao

Trade bodies, thinktanks and other interest groups had 1,409 meetings.

贸易组织，智库和其他利益团体和大臣们会见1409次；

youdao