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。
Like a scientist bent on making a discovery, he must cherish the hope that one day he will be amply rewarded.
他必须像一个专心致志进行探索的科学家那样抱有这样的希望,即终有一天,他的努力会取得丰硕的成果。