But one problem that this also caused is if you're going to put all the books, the documents that you think are scripture,between two covers with the scrolls,you can take one out and put another in.

但这引起了一个问题,如果你要为，那些被认为是圣典的书籍加上封面,如果是卷轴你可以随意取舍。

耶鲁公开课 - 新约课程节选

But I can add to this some number, like 96, that'll still have the property that if you take two derivatives, you're going to get the same acceleration.

但是我可以在后面加上某个数,比如96,经过两次求导你仍会得到,同样的加速度

耶鲁公开课 - 基础物理课程节选

But the difficulty is, if you take your left flank and move it out here so you can flank this guy, one of two things has to happen to your army.

但困难的是,如果你把左翼移到这里,你可以进攻敌人的侧翼,你的军队会面对下面两种情况

耶鲁公开课 - 古希腊历史简介课程节选