坐稳:大致意思是 Memo from a direction in a supermarket company called MarketCo. Local grocery stores have very high customer loyalties within the local communities. People keep shopping in the stores even large Supermarkets such as MarketCo offers better price. Therefore, MarketCo should allocate more funds to develop community projects such as school soccer team...... this will help the company gain more market share and remain competitive in the industry.
2. profit=revenue-cost, profit margin= profit/revenue. last year profit margin is 40%, this year profit increased by 10%, cost decreased by 10%, 问revenue变化的百分比