Around eighty percent of lines and wrinkles are caused by the sun.

约80%的条纹和皱纹是由阳光造成的。

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There are estimates that more than eighty percent of the population cannot read or write.

据估计超过80%的人口不能读或写。

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The study also found that the women who had ovarian removal lowered their risk of death from ovarian cancer by almost eighty percent.

该研究还发现，摘除卵巢的女性死于卵巢癌的几率下降了大概80%。

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The idea spread. The Newspaper Association of America says advertising sales today provide about eighty percent of the money for newspapers.

VOA: special.2009.04.20

Eighty percent of atoms that are set up like that break down in the next 24 hours; 20 percent of them don't.

我们设定未来二十四小时中,有百分之八十的原子会分裂,另外百分之二十的原子不会

耶鲁公开课 - 死亡课程节选

Even in peacetime, military expenditures take up almost half of the budget of any European state, and in times of war, eighty percent.

即使在和平时期,欧洲任一国家的军费开支,也几乎占据了其预算的一半,在战时,更是达到了80%

耶鲁公开课 - 欧洲文明课程节选

Eighty percent of the retailing industry is comprised of small and medium sized businesses.

FORBES: Hurricane Irene Beats Up The Northeast And The Fragile U.S. Economy

Eighty percent or more of social media posts announce our own experiences or views.

FORBES: Talking About Yourself: The PR Impact

Eighty percent of all maternal deaths globally can be attributed to five basic risks.

FORBES: Most Maternal Deaths Due to Preventable Health Risks