The purpose of statistical methods is to provide a rational basis for drawing conclusions from data.
统计方法的目的是为从数据中得出结论提供合理的基础。
Writing is a way of talking without being interrupted.
【释义】若不是在正午半夜的时候，连太阳和月亮都看不见。描绘了三峡峡谷幽深、遮天蔽日的景象。