供应链的每个节点都是供应链中不可或缺的参与者。Each node of the supply chain is an indispensable participant in the supply chain.

供应链的每个节点都是供应链中不可或缺的参与者。Each node of the supply chain is an indispensable participant in the supply chain.
A.正确
B.错误
正确答案：正确