Translation improvement for zh_CN

[clsty]

• Improve simplified Chinese translation for corrections, readability and corrections, etc.

[github-actions]

CLA Assistant Lite bot All contributors have signed the CLA ✍️ ✅

[tessus]

see inline comment

Other than that, LGTM. Thanks for the update

[tessus]

Oh, and you have to sign the CLA. see #11922 (comment)

[tessus]

I'm heading to bed. I'm going to look at it tomorrow.

[clsty]

I have read the CLA Document and I hereby sign the CLA

[clsty]

see inline comment

Other than that, LGTM. Thanks for the update

That's a really quick response. Thanks for reviewing.

I've added the comments back. However may I ask why they are still needed btw?

[tessus]

Thank you for adding the comments back.

The reason for keeping them around is as follows: The translation files are generated from the source code. It is quite possible that a change in the code will be reverted at a later point or a similar text is used as what was previously used and translated.
We also do not use annotations in translation files, which would help in certain situations to understand the meaning of the text and to translate it properly. Literal translations are often wrong and need correction. If there are a valid translations in the comments, they can help a translator.
I'm not sure but Poedit might make use of them for translation suggestions.

Additionally, the .po file are not used in the product. They are converted to JSON files and all comments are stripped out anyway.