VERB
使(企业)发财;使(利润)增长;为…牟利
If you say that someone is fattening something such as a business or its profits, you mean that they are increasing the value of the business or its profits, in a way that you disapprove of.
例句
They have kept the price of sugar artificially high and so fattened the company's profits.
他们一直人为地使糖的价格居高不下,以此为公司牟利。