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In larger cities, you can hail a cab on the street. 

4'

Just step off the sidewalk into the street and raise your arm. You can also call out, “Taxi!” 

8'

In cities, the fares are posted right in the cab, and the rates are set by a group that regulates taxi companies.

8'

敲黑板
hail a cab 招呼/叫出租车
on the sidewalk 在人行道上 off the sidewalk 不在人行道上
fare 路费、车费
rate 价格、费用
set sth 设定...
regulate sth (尤指通过规章制度)管理，调整，控制