Such behavior not only to yourself to absorb less than knowledge, but also affected others, even more so that teachers have lost interest in school.

这样的行为，不仅自己吸收不到知识，还影响到了别人，更使老师失去了上课的兴趣。

youdao

So far researchers at Columbia University have only managed to exploit the hole on HP printers, but it's possible (if not likely) that others are also affected.

ENGADGET: Researchers expose printer vulnerability, turn LaserJets into literal time bombs (update)