Thanks in large part to the pioneering efforts of bike designer joe breeze , marin county , and in particular mt tamalpais , has become famous worldwide as the birthplace of mountain biking .
Since then , more than two billion vehicles have crossed the world famous structure between san francisco and marin county , california .
从那时起,已经有超过20亿辆汽车驶过这座架设在旧金山和加州马林县之间的著名建筑。
In a new report , research firm emarketer said early results from advertising-management software company marin software showed that certain types of facebook ads were having a positive impact on revenue .