These emotions can then feed back into the brain, generating a self-perpetuating cycle of love.

然后这些情绪反馈到大脑中，产生爱的自生自存循环。

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With diseases like diabetes, which requires a lot of self-care, poor management can lead to more complications, which in turn can feed back and exacerbate the mental-health condition.

患者有糖尿病，需要大量的自我保健，不良的调整会引起更多并发症，这会反馈并同时恶化精神状况。

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SOM say they could have coaxed the building to produce more energy but it would have been futile because there's no facility in Guangzhou to feed self-generated power back into the grid.

SOM表示，他们还可以让这个大楼产生更多的能源，但是因为在广州的没有对应的送电上电网的设置，所以没有这样做。

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This creates a self-sustaining negative feed back loop as prices fall, produces cut back production, creating more unemployment, reducing demand, which increase deflationary pressures.

FORBES: American Political Economy Alters English Language