新浪域名为何用sina.com.cn?背后隐藏的商业智慧,新浪域名背后的商业智慧,sina.com.cn的命名之道
Why does Sina use sina.com.cn as its domain name? The business wisdom hidden behind it, the business wisdom behind Sina's domain name, and the naming principle of sina.com.cn
以上为机器翻译结果，长、整句建议使用 人工翻译 。