About two fifths of the student in Kaili go to school by bus.

在凯里，大约有五分之二的学生坐公交车上学。

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Two fifths of the students in our class are going to the summer camp in Beijing next week.

我们班五分之二的学生下周要去北京参加夏令营。

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According to a survey, four out of five women do housework at home, but only two fifths of men would do it.

根据一项调查，五分之四的女性会做家务，但只有五分之二的男性会做家务。

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That was two fifths of all the books sold in the UK that week.

BBC: JK Rowling novel tops fiction chart

Ofcom figures suggest that 7.5 million UK adults have never been online, and two fifths of those are aged over 75.

BBC: Gransnet local service aims to bring over-50s closer

It says a fifth of male prisoners and two fifths of women prisoners have attempted suicide at some point in their lives.

BBC: Overcrowding 'encouraging suicide'