平时不怎么上网，偶尔上网也就浏览个网页，聊天什么的，不玩游戏。没有宽带，想到了网卡，但是这方面一点不懂，也不知http://wapiknow.baidu.com/m/ask?from=0&ssid=0&uid=76AB212152251DBA6277DE11752C32E6&pu=sz%401330_240%2Cos%40android&font=0&ext=&isHybrid=0&ta=1&title=%E5%8F%B0%E5%BC%8F%E7%94%B5%E8%84%91%E6%B2%A1%E6%9C%89%E5%AE%BD%E5%B8%A6%EF%BC%8C%E5%A6%82%E4%BD%95%E4%B8%8A%E7%BD%91%EF%BC%9F&content=%E5%B9%B3%E6%97%B6%E4%B8%8D%E6%80%8E%E4%B9%88%E4%B8%8A%E7%BD%91%EF%BC%8C%E5%81%B6%E5%B0%94%E4%B8%8A%E7%BD%91%E4%B9%9F%E5%B0%B1%E6%B5%8F%E8%A7%88%E4%B8%AA%E7%BD%91%E9%A1%B5%EF%BC%8C%E8%81%8A%E5%A4%A9%E4%BB%80%E4%B9%88%E7%9A%84%EF%BC%8C%E4%B8%8D%E7%8E%A9%E6%B8%B8%E6%88%8F%E3%80%82%E6%B2%A1%E6%9C%89%E5%AE%BD%E5%B8%A6%EF%BC%8C%E6%83%B3%E5%88%B0%E4%BA%86%E7%BD%91%E5%8D%A1%EF%BC%8C%E4%BD%86%E6%98%AF%E8%BF%99%E6%96%B9%E9%9D%A2%E4%B8%80%E7%82%B9%E4%B8%8D%E6%87%82%EF%BC%8C%E4%B9%9F%E4%B8%8D%E7%9F%A5%E9%81%93%E8%B5%84%E8%B4%B9%E9%97%AE%E9%A2%98%EF%BC%8C%E6%80%8E%E4%B9%88%E5%88%92%E7%AE%97%EF%BC%8C%E6%B1%82%E7%83%AD%E5%BF%83%E4%BA%BA%E5%A3%AB%E3%80%82&score=20&vcode=qg6n&vcodestr=0013701704140164F38881ADF84189DF59AE9C5D2E01CD41B422A5E08B67907188E56F20EC85C6E48FC8DE4485583AEF177144BAB1A057E4A4EFCAB30C5666D5AEEE7ABE29E813B2CD8BA932AA39F2AE9C23EBEDFD1D4671447B0A6093434354A4625FF7C9C66856CDA2E5409F05406F1250883667A17C9D089037B1F5E0EA55C77E9BA648250A49A033559557A0132B61579AE0014F1370B9EBB1168FE49B9ED512666B7681BC873EA644FCF62D2F65E1D91A69F120468D&help_array=&command_no=100001&smsAsk=1&bd_page_type=1&init=big&step=2&word=&wk=c1be768b2c96b386ec0cdb32ff0cd3f0道资费问题，怎么划算，求热心人士。