on average

• 表示按总数除以数量的方式计算出的典型或通常情况；常用于概括或总结数据。

A phrase used to indicate a typical or usual amount, value, or level calculated by dividing the total by the number of items; often used to generalize or summarize data.

1. Typically or usuallyB1formal

   Used to describe what is typical or normal based on a calculation of many examples.

   平均而言

   • On average, people sleep about seven to eight hours a night.
   • The company sells 500 units per day on average.
   • On average, women live longer than men.

2. As a mean valueB1formal

   Referring to the arithmetic mean of a set of numbers.

   平均而言

   • The temperature in July is 30 degrees Celsius on average.
   • On average, students spend three hours on homework each night.
   • The team scores two goals per game on average.