In fifty years there'll be twenty people per square yard, it is written here.
这里写着,再过五十年每平方码将要住着20人的人口密度。
It is a curious coincidence that the day before his retirement, Mr.Page will have been teaching for a total of forty years.
佩奇先生退休的前一天正好是他执教满40年的日子,这真是奇妙的巧合。