But this is just one, two, three billion people, and obviously, there are seven billion people in the world, so there must be one, two, three, four billion people more who live in between the poverty and the air line.
а в мире, очевидно, семь миллиардов людей, т.е. должны быть ещё один, два, три, четыре миллиарда, живующие между чертой бедности и авиалинией.