But what is different is that the cluster has taken the place of sole enterprise or industry and became the main power of city competition.

所不同的是，产业集群取代单一的企业或产业而成为城市竞争力的主要力量。

youdao

Energy infrastructure also got a boost as a UK competition showcased six designs for next-generation power pylons, and New Mexico announced plans to build an entire city for the sole purpose of testing green technologies.

ENGADGET: Inhabitat's Week in Green: sun-powered homes, retro robots and a solar laptop chipset