过去我认为他犯错是针对我的，他扔在地板上的脏衣服是对我有意地的冒犯，是他不够关心我的标志。

I used to take his faults personally; his dirty clothes on the floor were an affront, a symbol of how he didn't care enough about me.

youdao

我乘地铁来到二楼带着手绘标志的龚的办公室。

I took the subway to Gong's second-floor office marked with a hand-painted sign.

youdao

我想我会买一件那种新 T 恤，正面和背面都有学校的标志。

I think I'll get one of those new T-shirts, with the school's logo on both the front and back.

youdao

This is a sign of my economic status: I don't have to work. It is middle and lower-class women who do not get to observe purdah in this way.

但这恰好是我经济地位的标志：,我不需要工作，只有中下阶层的女人,才像这样不遵守深闺的习俗。

普林斯顿公开课 - 人性课程节选

How do I know it's a sign? How do I know it says 'exit'?

我怎么知道这只是一个标志？，我怎么知道标志上写的是存在？

耶鲁公开课 - 文学理论导论课程节选

Second thing, we started talking about the periodic table and I believe that it's a hallmark of any educated person in the 21st century who is technically literate to know the periodic table by heart.

第二点，我们之前讨论过元素周期表,我相信这是个标志性的特征,对于那些在21世纪里,用心去学习,元素周期表的人来说。

麻省理工公开课 - 固态化学导论课程节选