人数的用法和样例：
例句
-
他们估计参观者人数为1000万。
They estimated the number of visitors at 10 million. -
他数了一下在场的人数，结果共有二十一人。
He counted the number of people present and fetched up with twenty-one. -
他相信，教育不应该是某一限定人数的特权。
It is his belief that education should not be the privilege of a limited number of people. -
拥有汽车的人数一直在逐渐上升。
There has been a gradual increase in the number of people owning cars. -
看电影的人数似乎在逐渐下降。
The number of people going to the cinema seems to dwindle steadily.
