Under direct regulation, however, some firms decide that, because enforcement is cumbersome and ineffective, they either will never have to pay for expensive controls or can gain the financial advantages of years of delay beyond official deadlines.

• 然而，根据规章，一些公司就决定，他们要么永远不支付昂贵的排污控制费，要么他们通过延期超过官方的最后限期几年时间，可以从中得到财政上的实惠。