Most rich countries’ currencies float more or less freely—although the creation of the euro was plainly a step in the opposite direction.
大多数富裕国家的货币浮动差不多都具有自由性---虽然欧元的创建显然是向相反的方向迈进了一步。
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Wingsuits, which have flaps between the limbs, look ridiculous but allow cliff-jumpers to float in the air for minutes at a time, changing direction at will.