Language Point 15

One out of every five people on Earth is Chinese,...(Para. 5)

one out of every five: there is one in each five

one out of every ten 每十人中一人

nine out of every ten 每十人中九人

three out of every seven 每七人中三人

one out of ten books 十本书中一本

two out of five hotels 五个旅馆中二个

nine out of ten people 十个人中九个