The.rst wealth is health.
健康是首要的财富。

RST in Decision Tree Pruning
基于粗集理论的决策树剪枝

Like a skier learns the fi rst day
就像滑雪者第一天学习滑雪

Alcohol, to some people, is the wo'rst villain.
对某些人来说, 酒是个最坏的东西。

A new decision tree pruning method based on RST
基于粗集理论的新决策树剪枝方法

You see， we have t he same f i rst name， but d i fferent dest i ny.
你看，我们有同样的名字，却不同的命运。

The concept of the modern green building ? rst appeared in the seventies after the oil crisis.
现代绿建筑得概念是从七十年代得石油危机后开始产生。