Well, first of all, you may not survive for long, if you truly don't accept the fact that things, people being no exception fall when left in mid-air.

首先，你可能活不长，如果你不接受，人会从半空中掉下来的事实。

哈佛公开课 - 幸福课课程节选

As far as I know -- I know of no exception, although someone may well be able to produce one no original poem in English had ever been published with line numbers in the margin in its very first printing.

就我所知，无一例外，尽管有些人能很好的制作出摹本,但英语原版诗歌从不在首次印刷的时候,把行数印在页边空白处。

耶鲁公开课 - 弥尔顿课程节选

If nothing is touching the body, there are no forces on it, with one exception which is, of course, gravity.

如果没有实体接触,那么它就不受作用力,当然一个例外那就是引力

耶鲁公开课 - 基础物理课程节选