average daily milk production

例句：

1. 1.The average temperature in the city is around 20 degrees Celsius.
   这个城市的年平均温度大约是20摄氏度。
2. 2.The company's average annual revenue has increased by 20% since last year.
   这家公司去年的平均年收入比前一年增加了20%。
3. 3. The average life expectancy for women in this country is 75 years.
   这个国家女性的平均预期寿命为75岁。