It's four hours, two minutes average. -Four hours, okay.

平均四小时两分。-喔，四个小时。

From the 1950s through the 60s the average length of number one hit songs averaged about 2.5 to 3.5 minutes.

从20世纪50年代到60年代，排名第一的热门歌曲平均时长约为2.5到3.5分钟。

At McDonald's, customers will spend on average 3 minutes and 9 seconds from the time they place their orders until they receive their food.

在麦当劳，从消费者订餐到他们领取食物的平均时间为3分9秒。

Among the parents who took part in youth36kr's poll, 84.1% said they spend on average 67 minutes tutoring their children every day.

在参与youth36kr调查的家长中，84.1%的家长表示平均每天辅导孩子的时间为67分钟。

It says there are over 5,000  public airports in the US, located on average 20 minutes by  car from anywhere in the country.

它说美国有 5,000 多个公共机场，从该国任何地方平均开车 20 分钟即可到达。