Columbus's Telephone Number
哥伦布的电话号码

Little Mary: I find in my history book there is always such number (1451--1560)
after the name Christopher Columbus. Would you please explain why, sir?
Little Rose: I can tell her, sir. It was Columbus's telephone number.

小玛丽：我在历史书中发现，克里斯托·哥伦布这个名字后老是
　　　　有(1451-1560)这几个数字，老师，请您给解释一下好吗？
小罗斯：老师，我能告诉她。那是哥伦布的电话号码。