average accounts payable period ratio

例句：

1. 1. The average temperature in winter is around 5°C.
   冬天的平均温度大约是5°C。
2. 2.The average income for a teacher is $60,000 per year.
   教师的平均年收入是6万美元。
3. 3.The average life expectancy in the United States is 78 years old.
   美国的平均预期寿命是78岁。