当需求回升，宝贵的人力资本却已经永远离开了市场。
When demand picked up, valuable human capital had left the market forever.
如果需求回升，那么每次点击的价格也应会再次上扬。
Assuming demand returns, price per clicks should rise again.
更重要的是，由于世界各地的财政刺激，各国国内需求回升。
Even more important, domestic demand has rebounded, thanks to the biggest fiscal stimulus of any region of the world.
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