It is also of concern that the misguided advice that students should speak only English is given primarily to poor families with limited educational opportunities, not to wealthier families who have many educational advantages.
出自-2013年12月阅读原文
But 50% of poor parents say it is extremely important to them that their children earn a college degree, compared with 39% of wealthier parents.
2017年6月六级真题（第二套）阅读 Section B
柯林斯高阶英汉双解学习词典释义
ADJ-GRADED
富有的;富裕的
Someone who is wealthy has a large amount of money, property, or valuable possessions.