In the years following an eight-cent increase in the federal tax on a pack of cigarettes, sales of cigarettes fell ten percent.

在联邦政府对每包香烟增加8美分的税收后的几年里，香烟的销量下降了10%。

youdao

Five of them expect a drop of less than 10 percent, with only one predicting larger declines up to 20 per cent.

八分之五的则认为下降幅度不超过10%，只有八分之一的分析者认为会下降20个百分点。

youdao

Corn futures rose the 45-cent daily limit, or 8.5 percent, to $5.7325 a bushel on the Chicago Board of Trade.

在芝加哥期货交易所，玉米期货价格上涨45美分，达到每日上涨上限，涨幅8.5%，达到一蒲式耳5.7325美元。

youdao

Vinnicombe says that in the last 10 years the number of female directors has hardly improved, increasing from seven per cent to just 11 percent.

CNN: Study: Women overlooked for promotion in recession

For American Express cards, it charges 3 percent plus the 15 cent fee.

FORBES: This Week in Credit Card News

According to Motorwave, the new technology can reduce energy bills by up to 50 percent and costs between 10 and 20 per cent of current small wind turbine systems to run.

CNN: Lucien Gambarota: Alternative energy pioneer