And this is the first descriptive step to developing a theory of laughter.
这是第一个描述性的步骤，来建立笑的理论。
The first theory is descriptive model, and the second theory is analytical model.
前一种理论是描述模式，后一种理论是分析模式。
The first theory is descriptive model, and the second theory is analytical model.
前一种理论是描述模式，后一种理论是分析模式。
应用推荐