He seems completely self-contained and he doesn't miss you when you're not there.

他似乎完全独立，你不在的时候他并不想念你。

《柯林斯英汉双解大词典》

Tom: I know it's only been the weekend, but it seems a long time to me. I miss you when we're not together.

汤姆：我知道这只是一个周末，但是对我来说却期像过了很长一段时间。我们不在一起的时候我很想你。

youdao

I did miss you when I was away from home.

我不在家时好想你呀！

youdao

And if you've typed in l when you should've 1 typed a 1, or a 1 when you should've typed an l, you're likely to miss it. If you've made a mistake with upper and lower case. Things like that. So just be very careful looking at that.

如果你本来想打，1，的时候,却输成了，l，或者打，l，的时候输成了，你很可能注意不到这个错误,如果你把大小写弄混了也是一样,要注意这个错误。

麻省理工公开课 - 计算机科学及编程导论课程节选

And sometimes you miss that when you only hear the monologue that passes as a dialogue when each side is talking to each other through the press.

WHITEHOUSE: Press Briefing

By design, it should be impossible to miss when you try and attach a keyboard cover to the Surface.

ENGADGET: Microsoft Surface: inside the three-year secret project to build the first great Windows tablet

Once you start an exercise program, you will notice that after a while, you just feel better on a regular basis and feel worse when you miss a day.

CNN: Manage your brain -- it's your most important asset