The study also shows that eight million tons of plastic wastes are pouring into the sea every year.

研究还表明，每年有800万吨的塑料垃圾涌入大海。

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A large, eight-year study in Europe shows that eating the recommended servings of fruits and vegetables made people only slightly less likely to be diagnosed with cancer.

一个在欧洲持续八年的大型研究表明吃推荐份量的蔬菜水果只能轻微降低人们患癌症的风险。

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Their assertion about boys becoming aggressive is based on one study of 4-year-olds attending a coed kindergarten — co-written by two of the eight authors.

他们做出男生变得有攻击性的结论，是基于一份针对就读男女同校幼儿园的四岁儿童研究的报告，该报告由八名作者中的两名共同编撰。

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The study examined employment records for eight cities in Minnesota for a three-year period through two thousand six.

VOA: special.2009.05.27

The eight-year study explored the fundamental question of where disruptive innovations come from and what roles senior executives, managers, and employees play in the creation of highly innovative teams and organizations.

FORBES: We write about the art of innovation

Although this method is considered the gold standard for estimating sodium intake, that lone urine test may not provide an accurate snapshot of the participants' everyday intake over the full eight-year study, as the researchers themselves note.

CNN: Huh? Low-salt diet ups risk of fatal heart attack?

This was an eight-year study by the FTC which involved 1, 001 consumers and reviewed 2, 968 credit reports.

FORBES: FTC Says 26% Of Credit Reports Have Errors