These families will be asked to pay no more than ten percent of their income for college.For example, a family earning one hundred twenty thousand dollars would pay about twelve thousand a year.

这些家庭只需支付不超过他们收入的10%的费用。例如，一个收入12万美金的家庭一年只需支付约一万二千元的费用。

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The system could be available for sale by the end of twenty twelve. Adding the technology to a new kitchen could add an estimated ten to twenty percent to the building costs.

该系统可在2012年年底上市，给新厨房增加这样的科技能需要10—20%的建筑成本。

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Cattle and sheep keep grazing every day. They just use twenty percent of grass in their stomachs and others are excreted to be food of insect.

牛羊整天在草地上吃个不停，那些吃到胃肠里的草，牠们自已享用的只有百分之二十而已，其它绝大部份都排泄出来，最后成为其它小昆虫的食物。

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"We estimate in WHO that over thirty million lives can be saved in the next ten years by simple measures -- reducing the level of salt by fifteen to twenty percent, reducing the amount of tobacco, and increasing the number of people who are at risk of a heart attack and stroke to be on simple preventive treatment."

VOA: special.2011.05.11

However, if there are repeated, unexcused absences, there will be an adjustment in the grade calculation, and it will be worth twenty to twenty-five percent of your grade, and it will be a negative grade also.

然而，如果有反复的没有理由的缺勤，就会对这个百分比做些调整，出勤率就会占到你分数的百分之二十到二十五，当然也会是负面的评分。

耶鲁公开课 - 旧约导论课程节选

Twenty-one percent of respondents said he will be remembered as great, but not among the greatest.

CNN: Poll: U.S. Catholics would support changes

The United Nations system has proven to be extremely hostile to our interests, even when we are picking up over twenty percent of its costs.

CENTERFORSECURITYPOLICY: Oil & Gas Industry Leaders Warn of Problems with L.O.S.T.

But patients paying twenty percent co-pays on hospital services are going to be hit hard by the inability of their insurance companies to negotiate lower appendectomy fees.

FORBES: Are Insurance Companies the Key to Lower Prices?