1.If you already have Fring on your iPhone, you don't need to download anything else.
如果你的iphone中已经有fring这款软件，你不需要下载任何其他的东西。
2.You can make regular calls with Fring using a Skype account, but that's another layer to deal with.
你可以用fring上Skype账户打给普通手机，但那又是另外一个层面了。
3.Lake Eutrophication at the Urban Fring Seattle Region USA
美国西雅图地区城市边缘湖泊的富营养化