In other words, if you look too closely at a picture or if you stand too far away from it you don't see it clearly it's out of focus but if you achieve just the right distance from it, it comes into focus.

换句话说，如果你站得离一幅图画太近,或太远都无法看清它,它在焦距之外,但是如果你站在合适的位置上，焦距就对准了，画就清晰了。

耶鲁公开课 - 文学理论导论课程节选

If you have a cold, try to get away from your own selfish perspective, "I have a cold." Look at it from the perspective of the cold virus.

如果你感冒了，试图摆脱掉你自私的角度，我感冒了，从病毒的角度看问题。

耶鲁公开课 - 心理学导论课程节选

The other thing that I want you to notice, is if you look at the most probable radius, for the 2 s orbital it's actually out further away from the nucleus than it is for the 2 p orbital.

另外一个你们要注意的地方就是，如果你们看它的最可能半径，2s轨道比2p轨道的,要更加远离原子核。

麻省理工公开课 - 化学原理课程节选