That's something that you might not notice if you just focus on the intrinsic nature of the taste.

这是你可能不会注意到的一点,如果你仅仅把重点放在品尝的本质上。

耶鲁公开课 - 死亡课程节选

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