英语语法分析

The area's main industrial cluster is "activewear", led by Nike and Columbia Sportswear and including thousands of smaller companies.

这个地区的主要产业集群是“运动装”，以耐克和哥伦比亚运动装为首，还包括数千家规模较小的公司。

Portland has expanded mass transit and boasts sizeable electronics and activewear companies, several wind - and solar-energy firms, and many green-building projects.

波特兰已加强了公共交通，也拥有规模可观的电子和运动服装公司，还有几家风力和太阳能公司以及许多环保建筑。