food price index

例句：

1. 1. The food price index has been increasing steadily over the past year.
   过去一年里，食品价格指数一直在稳步上升。
2. 2. The government is closely monitoring the food price index to ensure stability in the economy.
   政府正密切监控食品价格指数，以确保经济的稳定。
3. 3. The rise in food prices has put a strain on the budget of many families.
   食品价格上涨给许多家庭带来了压力。