* i18n: (zh-CN) Change `工作人员` (staff) to `管理人员`
Suggested by @Gargron at https://github.com/tootsuite/mastodon/pull/6005#discussion_r156678109

* i18n: (zh-CN) Change `协管` to `监察员`

* i18n: (zh-CN) Fix all "Are you" questions

* i18n: (zh-CN) Various improvements

* i18n: (zh-CN) Final clean-up

* i18n: (zh-CN) Change translation for 500

* i18n: (zh-CN) Remove spaces between time distances

* i18n: (zh-CN) Improve translations

* i18n: (zh-CN) Add missing translations for multiple PRs.
Related PRs: #5838 #5762 #5835 #5837 #5832 #5823 #5814 #5757

* i18n: (zh-CN) Fix translation for #5823 / #5835

* i18n: (zh-CN) Improve translations

* i18n: (zh-CN) Improve translations

* i18n: (zh-CN) Change `发送者` to `作者`

* i18n: (zh-CN) Add missing translations for #5862

* i18n: (zh-CN) Add missing translation for #5874

* i18n: (zh-CN) Improve translations for keyboard shortcuts

* i18n: (zh-CN) Improve translations

* i18n: (zh-CN) Change `静音` to `隐藏`

* i18n: (zh-CN) Add translations for #5087 & #5669

* i18n: (zh-CN) Improve translations

* i18n: (zh-CN) Improve translations

* i18n: (zh-CN) Improve translations

* i18n: (zh-CN) Improve translations

* i18n: (zh-CN) Add missing translation for #5728

* i18n: (zh-CN) Bug fix for note-counter.

* i18n: (zh-CN) Improve translations

* i18n: (zh-CN) Improve translations

* i18n: (zh-CN) Add missing translations

* i18n: (zh-CN) Improve translations

* i18n: (zh-CN) Add support.array key for better wording

* Revert "i18n: (zh-CN) Add support.array key for better wording"

This reverts commit 27bf9a946e.
Looks like this commit can't get pass the checks, revert it for now.

* i18n: (zh-CN) Change `客户端` to `应用`

* i18n: (zh-CN) Improve translations

* i18n: (zh-CN) Add missing translations (#5635)

* i18n: (zh-CN) Change `两步验证` to `双重认证`

* i18n: (zh-CN) Improve translations

* i18n: (zh-CN) fix punctuations and spaces
Spaces are fixed according to https://github.com/sparanoid/chinese-copywriting-guidelines

* i18n: (zh-CN) fix punctuation

* i18n: (zh-CN) Adapt official translation of Discourse Privacy Policy from GitHub, with minor fixes
https://github.com/discourse/discourse/blob/master/config/locales/server.zh_CN.yml#L2677

* i18n: (zh-CN) Update missing translations

* i18n: (zh-CN) Fixing errors

* i18n: (zh-CN) Fix indent error

* i18n: (zh-CN) Fix language tag

* i18n: (zh-CN) Remove quotes

* i18n: (zh-CN) Update translation (#5485)

* i18n: (zh-CN) Remove whitespaces, x -> ×

* i18n: (zh-CN) Rewording on time distance

* i18n: (zh-CN) Overall improvements

* i18n: (zh-CN) i18n-tasks normalization

* i18n: (zh-CN) Add missing translation

* Enhance for the Chinese translation

* Add filtered_languages for Chinese Translation include CN/HK/TW for PR #3175

* Remove allowed_languages and add filtered_languages

* Use filtered_languages instead of allowed_languages

* Update zh-CN translations.

* Update doorkeeper.zh-CN.yml

* Follow @Artoria2e5 's change advices.

* forget mail for text format ......

* fix some changes

* mail's html version ......

* https://github.com/tootsuite/mastodon/pull/2699#pullrequestreview-35982283

* a space.....

* delete some unused keys

* proofread & update zh-CN setting form locale

* Pull in new devise zh-CN translations from their wiki

https://github.com/plataformatec/devise/wiki/I18n,
more precisely https://gist.github.com/Artoria2e5/6d2a06ca9e92a417afc627b5000f4690

* pull in zh-CN translation for doorkeeper

... from https://github.com/doorkeeper-gem/doorkeeper-i18n/pull/31/