Imagine sitting down to start working, and all of a sudden the power goes out, your Internet connection goes down with it, so you have to figure out, okay, now, where's the modem, how do I switch back?
想象一下你刚坐下准备开始工作，突然间 停电了， 你的网络也中断了， 然后你要想，okay，现在，调制解调器在哪里， 我怎么重启它？