out of sight, out of mind 对应的汉语是 “眼不见，心不烦”，意思就是 “因为看不见，听不见，所以也就不去想了”。

【例句】
We have so many bills to pay that I’ve put them in a drawer—out of sight, out of mind.
我们有特别多的账单要付，我把它们放在抽屉里了，眼不见，心不烦。

Since Roy started working at home, I’ve forgotten he’s my colleague—I guess it’s out of sight, out of mind.
自从罗伊开始在家工作后，我差点都忘了他是我的同事。这可能就是眼不见，心不烦吧。