鉴于电子烟只是加热尼古丁溶液产生可吸入蒸汽，不释放吸烟所产生的致癌焦油物质，���得其成为吸烟或被迫减少或停止烟草摄入者理想的尼古丁输送系统。
Given that e-cigarettes merely heat a nicotine solution to produce an inhalable vapor, they release none of the carcinogenic tar of cigarette smoke, making them the ideal nicotine-delivery system for smokers seeking – or being forced – to reduce or halt their tobacco intake.