Many of those firms also benefit from free land and pay negligible dividends to the state, leaving lots of money to invest in more dirty factories.

• 这些国有公司的大部分免费使用土地，并且只是回报给国家几乎可以忽略的投资回报，因此它们可以把大笔的钱投资与更多的污染型工厂。