What`s it mean?就是这句话：Tax SSN/EIN (inside USA)

What`s it mean?就是这句话：Tax SSN/EIN (inside USA) what's it mean这么说对吗 I get it what's mean? what does it mean的mean要不要加S What's it means改错What's it means这句话的语法有错吗?看着怎么这么别扭..what's its meaning?这样呢？麻烦说一下有哪几种带有mean、表示问“这是什么意思”的说法！ What does it mean,please?Who had you do it?这句话啥意思? What's mean?有没有这种说法.还是 what does it mean?What's mean?有没有这种说法.还是 what does it mean? What's the mean of What is it? what 's mean what 's mean What does it mean What does it mean? “Nothing's what it seems, I mean”是什么意思? god s love -- with luv renusaran what is it mean? What's your mean? what 's that mean? What's up?mean? lashkar ,what's mean Not important?what does it mean?In your eyes I what?麻烦帮我翻译一下这句话的意思~