In the world of animals in nature, the young may not be so lucky or easy to find a foster parent if their parents die or lose the ability to raise them.

在大自然的动物世界中，如果幼崽的父母死亡或失去了抚养的能力，幼崽们可能不会那么幸运或轻易地找到养父母。

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Even a natural monopoly is limited in its ability to raise prices.

即使是处于自然垄断的公司也无法肆意提高产品价格。

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The essence of liquidity is the ability to raise ready money to meet pressing spending needs.

流动性的本质是一种能提供足够的金钱来应对支出性压力的能力。

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Will Mitt Romney's ability to raise all that money translate into increased support in polls?

NPR: Meager Money: Will Sen. Warner Run Again?

But it's not just the candidates' ability to raise money or their profiles that's at stake.

NPR: Beyond Iowa: Bounce or Bust?

Iceland's ability to raise exports is hampered by current aluminium-production capacity and fish stocks.

ECONOMIST: Charlemagne