on average的用法：
平均
on average 平均通暢普通 on behalf of 代表為了 on board 在船或車飛機等上 平均地
普通
on average 平均通暢普通 on behalf of 代表為了 on board 在船或車飛機等上
通常
on average,平均通常普通.on board,在船或車飛機等上.on business,因公出差.
例句：
On average,15 worth of goods is stole every day.
平均每天被竊取的貨物價值為15英鎊.
On average we receive five letters each day.
我們平均每天收到五封信.
Our reps make on average six calls day.
我們的銷售代表平均每天打六次電話.
Rational expectations are on average self-fulfilling.
理性預(yù)期一般是自行實現(xiàn)的期望.
We received 20 calls a day on average.
我們平均每天接到二十個電話.
"On average,15 worth of goods is stole every day."
平均每天被竊取的貨物價值為15英鎊.
We fail one student per year on average.
我們平均每年有一個學(xué)生不及格.
It's about 500 kilowatts per hour on average.
年用電量平均為每小時500千瓦.
"People lose (on average) 2.5 percent per decade starting in adulthood."
人成年后,每十年平均萎縮2．5％.”