The improved package of commodities can not significantly increase the added value of products.
查看答案
The primary function of exterior packages is logistics function.
A. 对
B. 错
In supply chain raw materials are converted into finished products.
A. 对
B. 错
The first element of the chain is more important than all the others.
A. 对
B. 错
The last element of the chain is less important than all the others.
A. 对
B. 错
微信支付 
支付宝支付