欠缺

Bad manners savo(u)r a bad education.

礼貌欠缺显示出缺乏教育。

In the teaching of Probability in senior high school lie obvious inadequacies in students' comprehension of Probability definition for Frequency and Equiprobability models.

在高中概率学习中，学生对概率频率定义与古典概型理解存在明显欠缺。