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1.A new study from the British Medical Journal reports that more and more girls aged 13 to 16 suffer from self-inflicted harm.
suffer from受（某种病痛）折磨
Millions more suffer from serious sleep deprivation caused by long work hours.
另外还有数百万人因工作时间过长而睡眠严重不足。
2.Doctor Nav Kapur, study author and professor of psychiatry and population health, said increasing stress and psychological problems were probably what was fuelling the trend.
fuel the trend加剧了趋势
The economic boom trend was fueled by easy credit.
宽松的信贷政策刺激了经济繁荣。
