I lost my black marker but that doesn't matter.

我找不到黑色的笔了不过没关系

耶鲁公开课 - 聆听音乐课程节选

Suppose that there were some sort of genetic marker and, although we didn't have a tattoo that you would just have to look at, -- but you could have genetic counseling-- have your DNA examined and you could tell, if you had the DNA testing, how much time you had left.

假设有某种基因标记，虽然我们没有,让你不得不去看的在身上的标记了，但你可能会去做基因咨询-,检查你的DNA，如果你做了DNA化验的话，你就能知道自己还剩多少时间。

耶鲁公开课 - 死亡课程节选

But its manager, Richard Earnest, admits even he isn't as patient as Marker.

FORBES: 2004 Fund Survey

Certainly, Marker's system doesn't guarantee that a fallen angel will pick itself up off the floor.

FORBES: Timing Is Everything

Several are the subjects of motion to regret - which don't actually stop them but put down a marker if problems arise later.

BBC: Week ahead