So, we'll take a little bit of a step back after we introduce quantum mechanics, and talk about light as a wave, and the characteristic of waves, and then light as a particle. And one example of this is in the photoelectric effect.

等我们介绍完量子力学后,我们要回过头来讨论下光,作为一种波和它的波动性特征,以及光作为一种粒子,其中的一个粒子就是光电效应。

麻省理工公开课 - 化学原理课程节选

And so, we have to step back and ask why to us do we find chocolate appealing?

所以，我们需要追溯回去,问自己，为什么觉得巧克力诱人？

耶鲁公开课 - 心理学导论课程节选

So, what we say here is we need to take a step back here and come up with an approximation that's going to allow us to think about using the Schrodinger equation when we're not just talking about hydrogen or one electron, but when we have these multi-electron atoms.

所有我们这里要说的是,我们需要退回一步,做一个近似,那样可以使我们用,薛定谔方程来考虑,让我们不是仅仅在讨论氢原子或者,一个电子的时候，而是多个电子的原子。

麻省理工公开课 - 化学原理课程节选

The transfer of power in 2010 from the army to civilian authorities has been one of the main advances of Myanmar's political transition, so any step back, even if only in a distant corner, has worried reformers.

ECONOMIST: Myanmar: A dangerous backdrop | The

And so we must step back and ask ourselves: Is the point of the cloud that we continue our victory of standardization that leads to choice, or is the cloud going to become the next proprietary platform?

FORBES: RedHat CEO Whitehurst: Don't Be Tricked into Cloud-based Lock-in

As the VUCA forces (Volatility, Unpredictability, Complexity, Ambiguity) intensify, we have to consider learning how to step back to get clear so we can step forward with optimal contribution.

FORBES: The #1 Shift to Move from Management to Leadership