- According to a survey, more than two fifths of the students smoke in a school. - 据调查,超过五分之二的学生在校吸烟。 
- Wall Street, however, may draw some consolation that about two fifths of all Apple revenue is derived from outside the US. - 不过,让华尔街略感欣慰的是,Apple五分之二的总收益来自美国以外。 
- When the price rises over five percent the second troop can be sent to the battlefield. The second troop is two fifths of the money. - 如果接下去股价涨了超过百分之五,第二批部队可以投入战斗,数量是总资金量的五分之二。 
- Some 2.5 billion people – two fifths of the world's population – are now at risk from dengue. - 占世界人口五分之二的约25亿人面临罹患登革热危险。