About thirty percent of the country's children were malnourished.

该国大约百分之三十的孩子都营养不良。

《柯林斯英汉双解大词典》

Twenty-five percent of residents (居民) choose cars while thirty percent choose buses.

百分之二十五的居民选择汽车，百分之三十的居民选择公交车。

youdao

Do you know twenty to thirty percent of teenagers in the US have a hard time going through the period?

你知道在美国有百分之二十到三十的青少年在这个时期都过得很艰难吗？

youdao

Ireland's bank bailout and government spending have expanded this year's deficit to more than thirty percent of gross domestic product.

VOA: special.2010.11.26

Ten to thirty percent of those people have their own small business.

其中10%到30%的人,有他们自己的事业。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

The study found that the aspirin users had an almost thirty percent lower risk of dying from their cancer.

VOA: special.2009.09.01

Thirty percent of its flights on average have been cancelled every day for a week.

NPR: Airline Plot Investigation Quietly Moves Forward

Thirty percent of those people said they had gone on to marry the person.

FORBES: How To Work With Someone After A Romantic Breakup

Thirty percent of our growth has come because of global growth, our expanding trade.

CNN: Transcript: Clinton's remarks at Orlando fund-raiser