One is,"easy as pie".

VOA: special.2009.06.07

Now, this becomes a little bit of one of those motherhood and apple pie kinds of lectures.

现在，这课开始有点像,那些母亲叫你做苹果派的课程了。

麻省理工公开课 - 计算机科学及编程导论课程节选

Now, this becomes a little bit of one of those motherhood and apple pie kinds of lectures.

现在，这课开始有点像,那些母亲叫你做苹果派的课程了。

麻省理工公开课 - 计算机科学及编程导论课程节选