Sent_en: 2zh Nine months after announcing the interoperability between their instant messaging (IM) services, Internet rivals Microsoft and Yahoo! began limited public beta (pre-release) testing of the program.
Sent_yy: 在宣布即时通讯（IM）服务互操作性九个月后，互联网竞争对手微软和雅虎开始对程序进行有限的公测（预发布）。