请各位帮我看一下，
GET /br/readme.txt HTTP/1.1
Accept: */*
UA-CPU: x86
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1) )
If-Modified-Since: Fri, 29 Aug 2008 03:31:19 GMT
Connection: Keep-Alive
Host: www1.leeuu.com
If-None-Match: "805d4ab3879c91:370"
Cookie: __utma=163014970.267158127.1219421526.1220063187.1220063363.5; __utmz=163014970.1220063363.5.3.utmcsr=leeuu.net|utmccn=(referral)|utmcmd=referral|utmcct=/br/main.htm; ystat_bc_692439=37474945272214919686

HTTP/1.1 304 Not Modified
Date: Sun, 31 Aug 2008 01:56:15 GMT
Etag: "805d4ab3879c91:370"
什么意思哦，能翻译一下给小弟吗？

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