composition of population的用法和样例：
例句
- Keep in mind that all territory conquered or purchased from civilized countries, regardless of its population, is a state.
记住，所有从文明国家夺取或购买的土地，不管其人口组成如何，都是一个州。 - The Han population accounts for the majority of the total population of the country,while the populations of ethnic minorities are in the minority.
从各民族的人口构成来看，汉族一直占全国人口的绝大多数，少数民族的人口占少数。
