上面的句子来自2019版人教版高中英语新教程必学一的 Unit 5(p60)。
How many billion people speak the UN’s officiallanguages as their native or second language?
句中用 billion 是为了表示“多”吗?去掉也可以吧?
How many people与Howmany billion people 都可以说,前者指以个体为单位询问有“多少人”,后者指“十亿”为单位询问有“多少亿人”。
How many peoplespeak the UN’s official languages as their native or second language? 有多少人将联合国的官方语言作为母语或第二语言?
How manybillion people speak the UN’s official languages as their native orsecond language? 有多少亿人将联合国的官方语言作为母语或第二语言?