挑战题描述对于广大学生来说,上网是一件很纠结的事情,校园网要么按时间计费,要么按流量计费,要么是校园宽带。按时间计费速度慢,按流量计费费用高,校园宽带还不能共享,只能电脑开热点给手机上网。有没有既能提高网速又经济实惠的解决方案呢? Challenge description for the majority of students, the Internet is a very tangled thing, the campus network either by time billing, or by traffic accounting, or campus broadband. According to the slow billing time, according to the high cost of traffic billing, campus broadband can not be shared, only a hot computer to mobile Internet. Is there any solution that will increase network speed and affordability?