考研

One reason for the persistence of this pyramid of production is that for the past half-century, much of the world’s media culture has been defined by a single medium—television—and television is defined by downloading.(Part B. 2012. 英一)

这种“创造金字塔”持续存在的一个原因是过去的半个世纪内，世界上大多数媒体文化被一种单一媒体——电视——所定义了，而电视的特质是下载。