But another, related force - a policy often buried deep in course catalogs called "grade forgiveness" - is helping raise GPAs.
但另一个相关因素——一种常被深藏在课程目录中的政策，称为"成绩宽恕"——正在帮助提高绩点。
Why had the Romans buried a million nails?
为什么罗马人埋葬了一百万枚钉子？
The Romans buried the nails so deep that they would not be discovered for almost two millennia.
罗马人将这些钉子埋得如此之深，以至于它们几乎在两千年之后才被发现。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。