And also, it's useful because harmful stimuli are noticed but when something has shown itself to be part of the environment you don't notice it anymore.

而且它还是非常有用的,因为危险刺激会吸引到你的注意,但当某物被视为环境的一部分时,你便不会再去注意到该物体。

耶鲁公开课 - 心理学导论课程节选

and sort of also useful as a skill... not just for my career but in general, so...

不仅是对我的职业，整体来看，它也是一项有用的技能，所以……

哥伦比亚的第一印象 - SpeakingMax英语口语达人