卖地的那个老人不愿告诉我们如此低价卖掉这块地的原因，他只是摇摇头，说：“请不要问我。”

The Old man wouldn't tell us why it was so cheap; he just shook his head and said, "Please don't ask".

youdao

希望刚才大家出问题的原因，是因为看周期表有时间限制，请大家告诉我，我们在这里找什么？

So hopefully, it was a time issue in terms of looking at the periodic table, because let's have you tell me what are we looking for here?

youdao