0 the difference between the total cost of making and selling something and the price it is sold for -- 利潤率，利潤幅度
However, in the real world, some individuals drawn into careers in business are driven almost exclusively by the desire for the greatest possible profit margin.
Some firms, particularly micro enterprises, are forced to reduce their profit margin and quality and to informalise their operations.
The profit margin would have been higher since the balloons were smaller and reusable.
With greatly reduced cost structures the publisher can sell editions at a fraction of his usual price and dramatically increase the profit margin.
This evidence should encourage farmers to keep accurate records of their costs and then allow an adequate profit margin when setting prices.
At the time of this writing, the profit margin for cranberry fruit has become smaller compared to the late 1990s.
The present calculation thus represents a minimum gross profit margin.
To calculate the increment, the documented ventures (one lease and two tax farms) were examined in order to establish a sample profit margin.
