They're running through a loop. It's a common way of thinking about problems.

有继承意义的迭代程序了,它们是以循环的模式来运行的。

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And what we know is that very often we enter a downward spiral, a vicious cycle when we go into this narrow and constrict mode.

我们知道经常会进入下行螺旋，一个恶性循环，当我们进入狭窄收紧的模式。

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