请问social etiquette 与 social manners可以互换吗?

social 微博是social media吗? 请问是our social life还是our social lives? social fabric,social structure有什么区别吗? 英语翻译Sending gift is a vulgate social etiquette all over the 英语翻译Social etiquette may require you to limit your plans now social animal SOCIAL怎么样 Social Committee social network. social commitment social screening