But importantly, mothers are being randomized, so some mothers are randomized to receive a nominal monthly cash gift and others are randomized to receive several hundred dollars each month, an amount that we believe is large enough to make a difference in their day-to-day lives, in most cases increasing their monthly income by 20 to 25 percent.
여기서 중요한 것은, 이 산모들은 무작위로 선정돼서 몇몇은 매 달 얼마 안되는  금액만을 받고 나머지는 월수입의  20-25%에 달하는, 일상생활에 변화를  줄 수 있을만한 금액인 수 백 달러를 지급받게 된다는겁니다.