在实际中，即使完全的专业化在经济上有利，也可能永远不会发生。

In reality, complete specialization may never take place even though it is economically advantageous.

youdao

在实际中，即使完全的专业化在经济上有利，也可能永远不会发生。

In reality, complete specialization may never take place even though it is economically advantageous.

youdao