若使用云计算，你不知道自己的数据到底存放在什么地方。服务器可能建在马来西亚、加拿大或者美国的新泽西州，说不定同时建在上述三个地方。-The use of cloud computing, you do not know what the data in the end kept in place. Server may be built in Malaysia, Canada or the United States, New Jersey, perhaps also built in thes