【简答题】Of course, the rivers and valleys and borders were long ago mapped; our blank spaces are the few remaining holes in the global communications network.自然,河流、山谷和边疆许久之前就已经___地图上了,今天我们说的___是指全球通讯网络中仅剩的几个_...
【单选题】Of course, the rivers and valleys and borders were long ago mapped; our blank spaces are the few remaining holes in the global communications network. ... But quite soon those gaps will be filled. (Pa...