Three fifths of the students are in the classroom .

五分之三的学生在教室里。

Government-influenced spending is driving more than four - fifths of china 's expansion , according to the world bank .

根据世界银行的资料，政府刺激消费正推动中国超过4/5的经济增长。

And looking at the top and bottom fifths , the actual improvement in those satisfied with their lot does not show a pattern consistent with economic growth .

观察一下顶端五分之一人群以及底部五分之一人群，就会发现，对生活水平感到满意的人数的提高，与经济增长的模式并不一致。

Four fifths of money has been spent .

五分之四的钱已经被花掉了。

Two fifths of the book are mine .

五分之二的书是我的。