什么是and so on?

And so on and so And so on and so on啥意思? TV and so on 意思 and so on and so forth和and so on有什么区别? and so And so they went on 怎么翻译 本命年?有了另一半?and so on... such as 可以跟and so on ect与and so on 的区别 and so on的用法与造句 Etc的读法是and so on and so on ect.的用法