Also, if the upgrade reacts negatively in production, you can quickly fall back to the other cell, significantly reducing recovery time.

而且，如果更新在生产中产生负面效果，您可以迅速切换到另一个单元，极大地减少恢复时间。

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Now, over the past three years, these G20 summits have allowed our nations to pull the global economy back from a free fall and put us back on the path of recovery and growth.

WHITEHOUSE: President Obama holds a Press Conference at the G20 Summit

It could be seen in shorter-term market moves in each of the last three years, when the stock market rolled over into corrections each spring foretelling the economic slowdowns in each of the last three summers, and then recovered in the summer and fall with the economic recovery getting back on track.

FORBES: Usually Right, The Market Says No Problem For Economy In Sight

But at some point in time, without a real economic recovery, even Wiley Coyote has to fall back to earth.

FORBES: It'd Take A Miracle For Markets To Survive The Mess The Central Bank Manipulators Created