高级英语对话
第 163 课:巴士系统-1
A: Can you tell me what bus to catch from Altadena to downtown LA? 
B: You can catch the 486. 
A: That bus goes all the way to LA? 
B: I believe so. 
A: Is the bus ride long? 
B: It only takes 45 minutes to an hour. 
A: That's all? 
B: It's a pretty short trip. 
A: Is there always a lot of people on that bus? 
B: It only gets crowded once it gets to LA. 
A: Oh okay, thank you. 
B: No problem.