企业和员工通过经济契约形成一种等价交换的交易关系，称之为对等承诺。

The relationship of equivalent exchange formed by the enterprise and employees through economic agreement is also called "equivalent commitment".

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另一方面，如果前跟随者不是朋友，你们就是交换关系；一个互相有利的交易关系，体现在连接，信息和跟随者点击数上。

If, on the other hand, the ex-follower isn't a friend, you have an exchange relationship: a mutually beneficial trade in links, information, and follower counts.

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