传统的VPN组网主要采用()VPN和基于客户端设备的加密VPN两种方式
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People are considered laborers if their job has an adverse effect on them, yet they feel compelled to continue working by the necessity of conforming to societal expectations and earning the revenue to support themselves and their families.
what is necessary labor from the point of view of society is voluntary play from the individual's personal point of view.