So what we need is something that doesn't necessarily have to have the performance of the Internet, but the police department has to be able to call up the fire department even without the Internet, or the hospitals have to order fuel oil.
因此我们需要的系统并不一定 必须有因特网的功能， 但是，即使在没有互联网的情况下， 警察部门必须能够呼叫消防部门， 或者医院可以订购燃油。