There is a direct correlation between exposure to sun and skin cancer.

皮肤暴露在太阳下与皮肤癌直接相关。

《牛津词典》

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Even the Harvard study did not prove a direct correlation but noted strong associations between exposure and risk of behavioral issues.

就连哈佛大学的研究也没有证明两者之间有直接的联系，但指出了这种接触与行为问题风险之间的强烈关联。

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There is a direct correlation between how people succeed and how they manage their relationships.

FORBES: Banks Lag Behind Government When it Comes to Social Media

Indeed polls show a direct correlation between Democratic abandonment of Israel and popular abandonment of the Democrats.

CENTERFORSECURITYPOLICY: Republicans, Democrats & Israel

Indeed Clear Capital has tracked a direct correlation between REO saturation and market prices: when REOs spike, prices drop.

FORBES: Is A Double-Dip Housing Market Old News?