VOA慢速英语:US Health Report: E-Cigarettes Not Safe for Young People(翻译)

短语讲解：

1. Supporters of e-cigarette use have suggested that the devices can help smokers of traditional cigarettes cut back or even stop smoking.

cut back 减少; 剪[裁，缩]短
例句：They will be concerned to cut back expenditure on unnecessary items
他们将会考虑削减不必要的开销。