They found that in unventilated spaces levels can build up and, over time, cause health problems such as allergies and asthma.
研究表明，在不透风的空里，，影响健康，出现过敏、哮喘等症状。
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The unventilated, deafening carpet workshops where labourers were sometimes chained to the looms and locked in at night.
在通风不良、震耳欲聋的地毯车间，工人有被在织布机上，晚上被在里面。
This was a group of retired folks, graduate students and semi-successful business people who were paying money to spend their Saturday mornings in an unventilated basement with me.
是一群退休人员、研究生和半成功的商人，他花钱和我一起在一个不通风的地下室里度过周六的早晨。
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详细解释
里，
，
影响健康，出现过敏、哮喘等症状。
有
在织布机上，晚上被
是一群退休人员、研究生和半成功的商人，他
花钱和我一起在一个
