世界上60亿人口里有12亿人每天的生活费不足一美元。

Of the world's 6 billion people, 1.2 billion live on less than a dollar a day.

youdao

世界上60亿人口里有12亿人每天的生活费不足一美元。

Of the world's 6 billion people, 1.2 billion live on less than a dollar a day.

youdao