求翻译：我想问一下关于签证的事情。据我所知，办理签证需要比较复杂的程序，到目前我还没有收到任何相关材料和信息。我比较担心的是，如果9月20日之前开学的话，不知道是否能来得及？不知何时能收到相关材料？是什么意思？

I would like to ask about the visa thing. As far as I know, the visa require more complex procedures, I did not receive any materials and information. I am more concerned that, if the school prior to September 20, do not know whether enough time? I do not know when it can receive the relevant materi

I want to ask on the visa. As far as I know, visas to more complex procedures, to the present I haven't received any related materials and information. I am concerned about is that if on 20 September, before school started, don't know whether or not to be too late? We do not know when they will be a

I want to ask a Hsiakuan in the visa matter.As far as I know, handles the visa to need the quite complex procedure, I has not received any correlation material and the information to at present.I compare the worry am, if before September 20 begins school the speech, did not know whether can with eno

I would like to ask about the visa thing. As far as I know, Visa programs that require more complex, until now I haven't received any relevant materials and information. I am worried about is that if the school before September 20, do not know if I can in time? I do not know when to receive material

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