true average

The study also found that the average British person does not have a clue regarding the true value of their toiletry bag.

研究同时还发现，现在的英国人全然不知化妆包的真正价值。

This statement is true only on the average.

这种说法只是大体上正确.

It is true that China is now the world's second largest economy, but its per capita GDP remains much lower than the world average and there is still a long way to go before China can become rich and strong.

需要指出的是，尽管中国经济总量已位居世界第二位，但人均国内生产总值同世界平均水平相比还有不小差距，实现富民强国还有很长的路要走。

An average man cares that things are either true or false, but a warrior doesn't.

普通百姓关心的事情不是对就是错，战士就不是这样。

Unless you measure carefully, you don't know the true average access time or throughput of your disk subsystems.

除非您仔细检查，否则您无法知道磁盘子系统实际的平均存取时间或吞吐量。