What's the difference between "Man" 1000 Yuan minus 150 yuan and "Man" 1000 Yuan minus 150 yuan?
This difference is very big. If you spend 1 0,000 yuan, then if you spend 1.000 yuan more, you will lose 1.50. Even if you spend 3,000,4000 yuan, you only lose 1.50, but if you spend less than 1.000 yuan, you lose 1.50.