In the paper, we first analyzed the feedback relationship of the model, constructed system flow diagram, and proved validation of the model.

在文中，首先分析了模型中的主反馈关系，构建系统的物质流图和成本结构流图，并证明了模型的有效性。

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The facial-feedback hypothesis argues, however, that the causal relationship between emotions and facial expressions can also work in the opposite direction.

然而，面部反馈假说认为，情绪和面部表情之间的因果关系可能反过来也是成立的。

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Doing feedforward also helps in building great relationship between the team members since nobody takes feedforward personally as they do with feedback.

进行前馈还能帮助构建团队成员之间的和谐关系，因为没有人会像反馈那样，将前馈看做是针对他们个人的。

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Just by registering users, app developers can market and cross-sell other apps, beta-test new features, get live feedback on new apps and begin to build an enduring relationship with their audiences.

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Virgin America now has 285, 000 Twitter followers and clearly takes that relationship seriously, using the tool to dispense, gather feedback and to resolve issues.

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If leaders are listening, they will be able to demonstrate their understanding and appreciation for their stakeholders by quickly acknowledging the feedback, addressing possible solutions or suggesting having a one-on-one conversation to build a relationship with the individual.

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