In fact, I didn’t know this aws what is the last time, the friend said, let me help him make a AWS file, I was like, this is exactly what AWS ah, I told him I will not ah, the friend said, you can not learn ah, not learning words never ah, I feel a bit embarrassed my friend ah, then think what he said is right, because I was not only refused to friends, will think that ah, I wish I could say more simple, so I will try to learn it, then I also made friends the necessary documents, I also found that I learn a little knowledge or very useful.