人的身体储存有巨大数量的能量。
但如果短时间专注地工作，你会完成巨大数量的工作。
But if you work in short, focused bursts, you can get a huge amount done.
就是这种种因素导致了此巨大数量，而我们得去应对。
It's just - all of the factors were there to lead to this very large population that we're dealing with now.
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