Until turmoil rocked financial markets last summer, the funds racked up strong returns, boosted by heavy doses of leverage.

直到去年夏季金融市场动荡前，凭借巨大的杠杆作用，这些基金的回报还非常丰厚。

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Now,a study shows that low doses of the medicine given by mouth are equal to, or better than, a heavy dose administered into the blood.

VOA: special.2010.06.23

The tight confines of the airplane gave them especially heavy doses of secondhand smoke.

CNN: Is secondhand smoke really that risky?

Chicago schools suffer, in heavy doses, all the ills of urban school districts: poverty, gang activity and teen pregnancies.

FORBES: Chain Saw Paul

Some companies that used heavy doses of performance-based pay to compensate their chief executives have also been involved in accounting scandals.

FORBES: CEO Compensation