[212]Marin County, directly to the north over the Golden Gate Bridge, and San Mateo County, directly to the south on the Peninsula, were the 6th and 9th highest-income counties respectively. 【参考译文】旧金山拥有多元化的服务型经济,就业领域广泛,包括旅游业、金融服务以及(日益增长的)高科技产业。