A：Sorry to trouble you. Can you tell me how to get to the City Bank?麻烦您一下,到花旗银行怎么走?
B：It's about two or there blocks away from here.离这儿有两三个街区.
A：How long will it take if I walk?走着去需要多长时间?
B：It'll take you about 15 minutes.大约15分钟.