客户端会传送IGMP加入群组讯息到指定的群播路由器。

The client sends an IGMP join message to its designated multicast router.

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潘多拉这个建立于2000年并从广告获得其90%利润的网播台，已经凭借独特的发现新音乐的服务培养了一批忠实的听众群。

Pandora, which was founded in 2000 and generates more than 90 percent of its revenue through advertising, has cultivated a devoted fan base by offering a music discovery service.

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里面多个电视屏幕上都播着一场足球比赛，麦芽酒和冰镇啤酒陆续被拿上来，一大群朋友趴在桌子上大笑，聊着天。

Inside, a football match is showing on various screens, pints of ale and chilled lager are being pulled, and huddles of friends are bent over tables laughing and in conversation.

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