A new field of research, software and contestation had opened up.

一个新的研究领域、软件和竞争的大门已经打开。

Or the Olympic stadiums. Around the globe, cities build these under great contestation with massive resources, but after the games go, they can't often get absorbed into the city.

或者奥林匹克体育场。 在全球范围内，城市在巨大的竞争中建造这些资源， 但在奥运会结束后， 它们往往不能被城市吸收。