They have a huge role in oil, mobile communication, media, textile, retail and more.

它们在石油、移动通信、媒体、纺织、零售等领域发挥着巨大作用。

Because before mass transit, and mass communication media, which William Caxton was a part of because he was one of the first English language printers.

因为在公共交通和大众传播媒体之前，William Caxton 是其中的一员，因为他是最早的英语印刷商之一。