有些变化保留下来并促进了语言的发展的翻译：Some preserved and promoted the development of language 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Some changes to preserve and promote the development of language

Some preserved and promoted the development of language

Some changes retained and promoted the language development

There are some changes and the promotion of the retained language development

Some preserved and promoted the development of language