A circle, in other words, is not necessarily a vicious circle.

循环并不一定是恶性循环。

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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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That's not true. A circle isn't at all necessarily vicious.

循环不必然是恶性的。

耶鲁公开课 - 文学理论导论课程节选

So, what they do is what's called, "Systematic desensitization," which is they expose you to what causes you the fear but they relax you at the same time so you replace the aversive classical conditioned fear with something more positive.

治疗的方法叫做“系统脱敏疗法“,也就是将你暴露在引起恐惧的情境下,但同时让你放松,所以你用更加积极的感觉,替换了经典条件作用造成的厌恶性恐惧。

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That's when I have difficulty getting out of this downward, vicious cycle.

那时我将很难脱离这种下行，恶性的循环。

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