在商场打算买些什么？为什么会需要逛那么长时间

今天的这段对话，在讨论逛商场，
 
在商场打算买些什么？为什么会需要逛那么长时间
 
来听今天的讲解:
 
A: We've been at this mall for three hours. How much longer will you be?
 
我们已经在这个商场呆了三个小时了，你还要呆多久？
 
B: I need some new shoes and still have to buy a gift for my sister.
 
我需要一些新鞋，还得给我妹妹买个礼物。
 
A: So you will only need another thirty minutes, right?
 
所以你只需要30分钟，对吧？
 
B: In your dreams. I'll be at least another three to four hours.
 
做梦，我至少还有三到四个小时。
 
A: Why so long?
 
为什么这么久？
 
B: I also have to buy some new clothes for work and you could do with a few new business shirts and ties.
 
我还要为工作买一些新衣服，而且你需要一些新的商务衬衫和领带。
 
A: Just shoot me now.
 
干脆让我死了算了。
 
B: Look, to save time, let's go our separate ways. You get what you need while I'm buying what I need. We can meet back at the car in ninety minutes.
 
为了节省时间，我们分头行动。我买我需要的东西，你买你需要的。我们可以90分钟后在车上碰面。
 
A: But I hate buying clothes on my own. I never know whether they look good or not.
 
但我讨厌自己买衣服，我不知道它们是否好看。