The lecturer on evolution had been going on for nearly two hours．Then he started again，and said he：“Let me ask the evolutionist a question—if we had tails like a baboon，where are they？”

“I'll venture¹ an answer，” said an old lady．“We have worn them off sitting here so long．”

17．我们的尾巴

教进化论的老师已经滔滔不绝地讲了快两个小时，他的话题又来了：“让我向进化论者提个问题——如果我们曾经像狒狒那样长着尾巴，那么现在尾巴到哪里去了？”

“我来试试看，”一位老太太说。“该是我们在这里坐这么久把它们磨掉了吧。”