This model is also being used to create a tight feedback loop between providers and consumers; an example of this is the buyer and seller rating systems on eBay (see Resources for a link).

这种模型还可以用于在提供者和使用者之间创建紧密的反馈环节；例如 eBay（有关其链接，请参见 参考资料）上买家和卖家的等级系统。

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The negative feedback loop from higher borrowing to higher bond yields may not continue to be ignored by rating agencies keeping the UK rating at its highest level.

评级机构不会再忽视从较高的借贷量到较高的债券收益所形成的恶性循环，它们可能不会再维持之前对英国的高评级。

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