It can be nonsense. It can be comments to yourself, random ideas, or whatever comes to mind.

废话也罢，自我评价也好，又或者是什么随机的想法，不管你想到什么，写下来就是。

youdao

Her comments can only be very hurtful to Mrs. Green's family.

她的话只会使格林太太一家人感到非常伤心。

《柯林斯英汉双解大词典》

The students were generally frank and direct in their comments on how course work could be better presented.

对于如何更好地提高课堂质量，学生们的评价通常是坦率、直白的。

youdao

But he said such comments should be separated from the scientific research.

VOA: special.2010.01.19

In general, good programming style says you put in comments that are going to be valuable in helping you as a reader understand what's going on inside of the code.

通常来说，优秀的编码风格意味着,你要放进去的注释,在帮助代码阅读者,理解代码内部,是怎么工作的。

麻省理工公开课 - 计算机科学及编程导论课程节选

This also, by the way, in some sense, gives me the beginnings of my comments for what the structure of my code is going to be.

顺便说一句，在某种意义上这也是我,对于我的代码结构的,讲解的开始。

麻省理工公开课 - 计算机科学及编程导论课程节选

The FDA will be taking comments on the proposed ruling for the next 90 days.

FORBES: If Tanning Beds Were A Drug, They'd Be Illegal

The second and much more serious issue is AAPL tried to dodge the flaw and did so with a series of what appears to be inaccurate comments.

FORBES: Does iPhone 4's Antenna Problem Make AAPL A Buy, Sell Or Hold?

The Commission will be receiving comments until December 10 .

FORBES: Will FTC Marketing Guidelines Make it Any Easier for Advertising to be ��Green��?