以下为句子列表：
英文: Living close to main streets or in a dense street network increases the risks for certain respiratory symptoms in adults, particularly for asthma -related symptoms such as attacks of breathlessness and wheezing and for bronchitic symptoms such as regular
中文: 研究人员推断：“对成年人来说，居住在主要干道附近或者紧密的交通网络确实会增加患呼吸道感染症状的几率，特别是与哮喘有关的症状，比如气喘或是呼吸困难，也可能导致支气管炎症状，比如咳嗽和起痰。”
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英文: A 49-year-old female presented with cough and intermittent breathlessness for one week.
中文: 摘要一位49岁的女性病患主诉咳嗽、呼吸困难，持续约一周左右。
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