彼得：我们两个人都在大学教书，嘉娜，我很好奇你怎么看给学生留家庭作业这件事？
Peter: So we're both teaching at university and I was curious, Jana, what do you think about giving students homework?
是的！你看，我们正在挖人呢，我们发现有两个人还活着！
Yes! You see, now we are digging, we detected that there are two people alive in this building.
噢，你看，那边有副棋盘，那两个人已经下完了。
Oh, look. There is a chessboard. Those two men have already finished playing.
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