They are that part of the population to benefit most from the policy of family planning. 她们是实行计划生育最主要的受益人口群体。
That is, when a pidgin comes to be adopted by a population as its primary language, and children learn it as their first language, then the pidgin language is called a creole. 也就是说,当一种皮钦语被某一人口群体采纳为他们的主要语言,并且儿童也把它作为第一语言来学习的时候,这种皮钦语就被称作克里奥尔语了。