一项对40名孩子的初步研究表明，睡前使用电子媒体的孩子大约会有一半人在第二天出现情绪或学习上的问题。
More than half of children who use electronic media before bedtime may have mood or learning problems during the day, a preliminary study of 40 young people suggests.
例如我们,将研究用于,有机印刷电子,电子纸，让灵活媒体,变成真正的,电子媒体，灵活的电子媒体。
So examples of that are tying to apply the work for like printed organic electronics to electronic paper, flexible media that can be used to really truly become digital media, flexible digital media.
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