| 1. | And it ' s also very important that communications technologies are all subject to critical mass phenomenon ; that is , as long as only a few people , say , have a telephone , then the telephone has no utility 而且它也是非常重要的那种沟通技术是对紧要关头的块现象的所有主题;也就是说,只要只有一些人们,说,有一个电话,然后电话没有公用程序。 |