过去40年发生多次金融危机之后，大多数理性的人开始接受这一观点：金融市场可以有泡沫。

After so many financial crises in the past 40 years most reasonable people would now accept that bubbles in asset markets can exist.

youdao

服务生：加不加奶油和泡沫。

Waiter: With cream and foam?

youdao

“但是，难道不是所有的淡水乌龟都是伴随着它们壳上的海藻和泡沫、浮渣度过一生的吗？”我问道。

"But don't most freshwater turtles live their whole lives with algae and scum hanging from their shells?" I asked.

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