民营的新浪公司和腾讯控股公司经营着两家最大的微博，其注册用户都超过了2亿。
The two largest, run by the privately held Sina Corporation and Tencent Holdings, each count more than 200 million registered users.
民营的新浪公司和腾讯控股公司经营着两家最大的微博，其注册用户都超过了2亿。
The two largest, run by the privately held Sina Corporation and Tencent Holdings, each count more than 200 million registered users.
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