It goes out to the outside world, interacts,gets its hand and mind dirty, does work outside and then applies its work and learns from "the dirty experiences" and brings it back to the lab and so on and so on in an upward spiral.

而是走到外面的世界，与外界互动，接触那些“肮脏“事物，在外面工作，并吸取经验,从“肮脏经验“中学习“,将得到的经验带回实验室,诸如此类，就像一个上升的螺旋。

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It means less folks are being hired, and we can be back in a downward spiral instead of the kind of virtuous cycle that we want to see.

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But if you've been caught in that downward spiral, coming back is extremely difficult.

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Bank chief executives rationally have to pull back on lending in light of increased risks, Dimon says, a spiral effect the government is trying everything in its power to break.

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