One reason is that the typical doctor visit — even in wealthy nations — is quite short, usually no longer than 15 minutes.

原因之一是诊疗时间通常不超过十五分钟，就算在富有国家亦然。

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Consumers are grumbling even in the wealthy nations of Europe and the United States.

即使是在欧洲富裕的国家和美国，消费者也在抱怨粮价。

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But even wealthy nations, including the United States and in Europe, still need to supplement that by iodizing salt.

但即使像美国和欧洲等地的发达国家，仍旧需要通过加碘盐来补充碘。

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