This don't add anything to the question

Sorry for my English, but [some reason]

Being sorry don't help if we cannot understand a word. As my mom told me, don't be sorry, be cautious.

And this other one (with many variation):

[Any] Answers [and comments] are welcome

Of course they are welcome, it's the purpose of asking a question on this site!

This doesn't add anything to the question:

Sorry for my English, but [some reason]

Being sorry doesn't help if we cannot understand a word. As my mom told me: don't be sorry, be cautious.

And this is another one (with many variation):

[Any] Answers [and comments] are welcome

Of course they are welcome, it's the purpose of asking a question on this site.