后
1.Could you come here in 20 minutes? We're right in the middle of dinner.(20minutes later, Gordon and Laura went to look at the house.
你20分钟后过来好吗?我们正好在吃晚饭呢.(20分钟后.戈登和劳拉去看房子)
2.I’m sorry he’s busy at the moment， but he’ll be free within 5 minutes.
抱歉，他现在正忙，不过他五分钟后就有空了。
