交际水平和礼貌得到了提高的翻译：Improved levels of communication and politeness 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

The level of communication and courtesy have been improved

Improved levels of communication and politeness

The human relations level and politeness obtained the enhancement

Communication has been improved and courtesy level

Improved levels of communication and politeness