以往，其他人都不想或没有能力承担的职能和责任使得公司需要成立一个人力资源部门。

Historically, what necessitates an HR Department are the functions and responsibilities which no one else either wants or is capable of doing.

youdao

首先就是在特定职能或领域中，在各种岗位上取得出色成就的记录，并担任了日益重要的责任。

First is a strong record of accomplishments in a series of positions with increasing responsibility in a particular function or domain.

youdao

没有履行正常职能所要求的责任。

A state of inability to perform a normal function adequately.

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