1. Broadly speaking, human beings may be divided into three classes:
    泛泛地说，人可以分为3类：

2. Broadly speaking, however, the superhighway refers to the union of today's broadcasting, cable, video, telephone, and computer and semiconductor industries into one large all-connected industry.
    但广义地说，信息高速公路是指由今天的广播、电视、录像、电话、电脑、半导体等产业组合而成的一个互相关联的大产业。