Now you keep on trying and because the reinforcement is intermittent you don't expect it as much and so your behavior will persist across often a huge amount of time.

你会不停的尝试,因为此时的强化是间隔强化,你并不会抱有很高的期望,因此，你的行为,通常会持续相当长的一段时间。

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The double yellow line that has been my guide is gone now, replaced by a faded, intermittent dash in a road that has withered even further.

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Nor did his intermittent employment as a writer and painting instructor go far towards making up the difference.

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But he meets Dora Weiss, a beautiful and intelligent lawyer, a widow 24 years his elder, with whom he has an intermittent relationship that develops into a life-long passion.

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