On average, a lot is sold every three seconds.

这里平均每三秒就能卖出一大批。

Of course, but on average, per month?

当然，但平均每月呢？

On average, about 20% of the population has some form of disability.

平均而言，大约 20% 的人口有某种形式的残疾。

Oh, on average. -Oh, an hour already today.

喔，平均。 -今天已经用一小时了。

On average, Ebola kills half the people it infects.

平均来说，埃博拉感染者的死率为50%。

On average, warming temperatures were making birds shrink.

平均而言，气温升高会使鸟类萎缩。

Adult great whites reach 15 feet on average.

成的大白鲨平均会长到 15 英尺。

Each person infects 1.3 other people on average.

即每个已感染者平均传给1.3个人。

On average (or typically), they serve 15 years.

平均说来（或通常），他们会15。

On average, men are better educated than women.

平均而言，男性受教育程度高于女性。

On average, we are lied to some 200 times per day.

平均而言，我们每天要被骗 200 次左右。

For about one and a half hours on average.

平均一个半小时吧。

That is five years, on average.

平均而言，就是5之差。

Two hours and 17 minutes before takeoff, on average.

平均而言，乘客们会在起飞前2小时17分钟达到。

That's what they say it will take on average.

这8分钟说的是平均时间。

Virtually all civilizations end, on average after 340 years.

文明平均在三百四十后都会瓦解。

On average, the Lions came very close that year.

那一，雄狮队非常接近这个记录。

Worldwide, however, humans actually weigh 62 kg on average.

然而，在世界范围内，人类的平均体重为62kg。

On average, 20 patients die each day while waiting.

平均每天有20名患者在等待期间死。

They were replaced within about three months on average.

而该位的空缺时间平均只有3个月。