In his comments to the Middle Class Task Force, which is chaired by Vice President Joe Biden, Mr.Obama offered a preview.

VOA: standard.2010.01.25

We'll come back to this later on in the class, but let's have a preview.

我们在以后会继续讲,大家先有个印象

耶鲁公开课 - 博弈论课程节选

All right, that's as much as I'm going to say for preview right now.

好了 暂时就先介绍这么多

耶鲁公开课 - 博弈论课程节选

The first lady offered a preview, talking about the city where she was born and raised.

VOA: standard.2009.09.16

A star is a preview, is referring to what's called a pointer, similar in spirit but more dangerous than references in Java for those familiar, but we'll soon focus on these next week.

是一个预览，它叫做,一个指针，精神上类似的,但是在Java中提及这些熟悉的是更危险的,但是我将在下周集中研究这个。

哈佛公开课 - 计算机科学课程节选

He says allies and lawmakers are getting a preview before the details are made public.

VOA: standard.2009.03.26

PREVIEW... it is up to others to engage.

VOA: standard.2009.05.11