2.The government exacts taxes from every wage earner above a certain level of income.
政府向每个工资收入超过一定水平的人征税。
3.Muhammad Babul Hossain, one of the slum's three compost collectors, didn't have a job before the barrel program began, but now he's one of the slum's high-income earners at 4,000 taka ($58) per month.