Explanations range from a fight between a Kyrgyz and Uzbek over an unpaid taxi fare to a plot by Kyrgyzstan's ousted president Kurmanbek Bakiyev to regain power.

VOA: standard.2010.06.15

taxi or by foot. You know, it's a small city, so you can...

出租车或者是步行。旧金山是个小城，所以你可以……

旧金山的公共交通 - SpeakingMax英语口语达人