必须先掌握理论
必须先掌握理论,实际工作中才能做到融会贯通根据需要
有用否根据你的工作需要决定。目前很多单位招聘HR就要求有职业资格证书,呵呵。那倒也是
有时有用,关键还是要看能力in my opinion
if you want to improve your skillsit is useless
but if you want to get a certification
it is maybe useful.
if you have no interest to learn it,just want to get a certification,you will be annoy
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