A: Excuse me? Do you know where the way to the Shuang'An Market is? 
B: Yes, as a matter of fact I do. Do you need directions? 
A: Is it far from here? 
B: Yeah, it's far if you're going by foot. 
A: Can I take a bus there? 
B: You could take a bus, but a taxi would be much more convenient. 
A: Are there any landmarks nearby? 
B: Yeah, it's right across the street from a post office. 
A: How long will it take by taxi? 
B: It should take about 20 minutes by taxi. 
A: Thank you so much. 
B: Not at all.