The study, however, did say people who had never used a cell phone had a lower risk of brain cancer than people who used them than people who had.
不过,这一研究还表示,从未使用过手机的人患脑部肿瘤的风险要比使用过手机的人低。
The study, however, did say people who had never used a cell phone had a lower risk of brain cancer than people who used them than people who had.
不过,这一研究还表示,从未使用过手机的人患脑部肿瘤的风险要比使用过手机的人低。
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