单词foot-level
From the 30, 000-foot level, we have to realize that this is OK. . . as the "unsustainable" is finally showing to be, well, unsustainable.
在这三万英尺的高度，我们不得不认识到这就是事实……“撑不住了”最终的结果就是，好了，就是撑不住。
We started at the thirty thousand foot level with a vision of dynamic e-business.
我们在三千英尺的高度开始讨论动态电子商务的一个前景。