But many of the expressions using water have unpleasant meanings.

VOA: special.2009.05.10

In there, I want to make this distinction, this nuance: the evaluator is still going to be taking those expressions and using its rules to get a value, but it's not going to print them back out.

在这里，我想要做这么一个，细微差别：运算器依然会,对表达式,进行求值，但是不会,显示结果值。

麻省理工公开课 - 计算机科学及编程导论课程节选

I'm Rich Kleinfeldt with some expressions using the word heart.

VOA: special.2010.07.18

Today,I will tell about expressions using other numbers.

VOA: special.2009.07.26