Police closed off about 12 blocks of a major San Francisco thoroughfare for today's march.由于今天的示威游行, 警方封锁了旧金山一条主干道的约12个街区。

The old guard of leaders are closed off behind walls built of yesterday's ideology.保守领导人被隔绝在用过时的意识形态建造的高墙后面。

The damage would cause the road to be closed off for hours.损坏将会导致道路关闭数小时。