Since the laws of physics dictate that energy be conserved, the other star would gain an equally large energy boost, flying away at tremendous speed.

由于物理定律规定能量守恒，其它恒星将获得同等巨大能量的推动，以惊人的速度飞走。

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But if everyone does it, the world can gain from the extra monetary boost.

但如果各国都在使用，世界可能会从额外的货币刺激中获益。

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Another risk is that a sudden rise in interest rates would trigger a fall in share prices (though if higher rates did boost spending, and hence profits, share prices should eventually gain).

还有一个风险是，利率的上升可能触发股价的下落(尽管更高的利率的确促进消费，从而获利，但是股价最终应得到增进)。

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Such a gain would theoretically help boost Google's search-ad business, though a company spokesman declined to comment on the matter.

WSJ: Google Renews Push in China

Outside the mining sector, strong equity markets allowed some rich-listers to boost their fortunes and gain ground against the commodity crowd.

WSJ: Fortunes Fall for Australia Mining Magnates

Many of their ideas, properly implemented, would boost long-run potential, but not address the reason why the recovery has struggled to gain a foothold: banks and households are still whittling down their pre-crisis debt, thus sapping demand and almost guaranteeing years of low growth.

ECONOMIST: America��s jobs crisis