The 2nd: Compose builds course knowledge system.

第二遍：构建学科知识体系。

youdao

If the choice is right, will if choose a mistake, compose builds the;

如选择正确，将会构建起一个区域参与新竞争的战略制高点；

youdao

So compose builds platform of the sale on a net, can make sale channel compressed on one hand change, bypass traditional and retail difficult;

所以构建一个网上销售平台，一方面可使销售渠道扁平化，绕过传统零售的困难；

youdao