Some studies have warned that half-a-million people - or about 10% of the population - will be living with HIV and AIDS by the year 2025.

VOA: standard.2009.04.04

Let's search to see though now if a million is in this list, or 10 million, whichever way I did this it must be a million, right?

不管我选哪个，数都挺大的对不对？,用嘴基本的方法，噢，花的时间有点长,好，而用二分法呢？

麻省理工公开课 - 计算机科学及编程导论课程节选