一、“实践是检验真理的唯一标准”。这个口号成了中国 20年的改革开放中解放思想的“推土机”。　　二、“让一部分人先富起来”这是以“经济建设为中心”的最通俗的表达。　　三、“只生一个好”这是对“人多好办事”的否定。　　四、“时间就是金钱”这种全新的价值规律观念 First, “practice is the sole criterion for testing truth.” This slogan has become China’s “bulldozer” for emancipating the mind in its 20 years of reform and opening up. Second, let some people get rich first This is the most common expression of “economic construction as the center.” Third, “only give birth to a good” This is a “people do more good thing” of the negative. Fourth, “time is money,” this new concept of values