All I'm doing here, nothing particularly exciting, I'm simply plugging this expression in for P and then I multiplied the whole thing out because it was all multiplied by q.

这些计算过程确实很枯燥,我只是把这个算式代入到P中,然后打开整理,因为每一项都乘以了q

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The bottom line is that simply doing nothing is NOT a good thing.

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Not by pressing some button and firing a bunch of missiles but simply by doing nothing.

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"Doing nothing was simply not an option, " he said.

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