Not only is aspirin so cheap it will not make any money for drug firms, it could be hard to find a group of women with breast cancer who were prepared never to take aspirin during a trial.
这不仅是因为阿司匹林的价格低廉，药物公司很难从它身上赚到钱，而且可能很难找到一群患有乳腺癌又愿意在试验期间准备从不服用阿司匹林的妇女。
Often they fall in the hands of shady human traffickers only to find work as cheap labourers in industries that are looking to keep production costs low.
他们常常仅仅为了找到工作而落在不明不白的人贩手中，在那些指望降低生产成本的工厂里充当廉价劳动力。
Often they fall in the hands of shady human traffickers only to find work as cheap labourers in industries that are looking to keep production costs low.
他们常常仅仅为了找到工作而落在不明不白的人贩手中，在那些指望降低生产成本的工厂里充当廉价劳动力。
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