Of the millions who saw Haley’s comet in 1986,how many people will live long enough to see it return

题目

Of the millions who saw Haley’s comet in 1986,how many people will live long enough to see it return in the twenty-first century.

答案

在1986年数以百万计的看到哈雷彗星的人中,有多少人能够长寿到足以目睹在二十一世纪返回.