A glass container made by casting or core-forming could take a few days to make.

VOA: special.2009.09.16

So we are gonna take a moment's break and be right back with more on Stan Katz on the Inner Core.

所以我们先休息一下，马上回来,带来有关Stan，Katz的更多精彩内容。

普林斯顿公开课 - 人性课程节选