But birds are far less likely to suffer from the clot formation called economy class syndrome-despite being frequent fliers.
但尽管小鸟是空中常客，它们不太可能患上我们容易患上的经济舱综合征。
Lemon juice can help to prevent economy-class syndrome by improving blood circulation.
柠檬汁通过改善血液循环来帮助预防经济舱综合症。
Lemon juice can help to prevent economy-class syndrome by improving blood circulation.
柠檬汁通过改善血液循环来帮助预防经济舱综合症。
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