学习的主体从微观层面讲是企业的员工，从供应链的角度看，则是各个成员企业。

The main body of learning, from the micro level, are the employee of enterprises while from the level of supply chain, are the enterprises themselves as members.

youdao

从交易团层面上讲，努力保持企业存量，通过各种优惠政策促进企业参展成交是项主要工作。

For trade groups, the focus is on helping enterprise survive and exhibitors receive more orders via various preferential policies.

youdao

从交易团层面上讲，努力保持企业存量，通过各种优惠政策促进企业参展成交是项主要工作。

For trade groups, the focus is on helping enterprise survive and exhibitors receive more orders via various preferential policies.

youdao