We,too,are going away.是什么意思？ too在此处的用法是什么？

我们也走了。插入语。把它拿掉整个句子是完整的。。。例如。I，a decent boy，can not do such dirty thing。

扩展阅读：we are young ... we will rock you ... everywhere we go ... do some reading ... here we go round ... how do you do ... we are family ... owe sth to sb ... who will run 100 meters ...