translation.en: It's a free program you download for your Mac or PC, and you make free phone calls anywhere in the world The downside is that you have to wear a headset like a nerd.
translation.zh: 你可以免费下载一个Skype程序到你的PC或者是Mac 然后你在世界的任何角落都能免费打电话 不爽的一面是，你得跟那些书呆子一样带个耳机