简言之，管理并不是一种职业，同时管理也永远不可能成为一种职业，而以上的分析中也能看出管理和职业之间是有本质区别的。

In short, management is not a profession. Moreover, management can never be a profession, and policies predicated on the assumption that it can are inherently flawed.

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不可逆抑制剂有两大类酶抑制剂，可逆和不可逆的，其酶的亲和力的大小有区别的。

Irreversible inhibitors There are two main classes of enzyme inhibitors, reversible and irreversible, that are differentiated by the magnitude of their affinity for enzyme.

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