unsubscribed

When all subscribers have unsubscribed from an event, the event instance in the publisher class is set to null.

所有订户都取消订阅事件后，发行者类中的事件实例将设置为nullNothingnullptr空引用（在VisualBasic中为Nothing）。

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However, if they access an article via a link posted on Google, unsubscribed readers can see the full copy.

但是，如果他们通过谷歌的链接，不用交钱同样可以看到整篇文章。

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Never reply to spam and ask to be unsubscribed.

永不会回复垃圾邮件，请unsubscribed。

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There are hundreds that have had their accounts stolen from even after they have "Unsubscribed" from Free Lotto so I find it curious that law enforcement has done nothing on this scam.

有数百个，有他们的帐户被窃后，他们有“取消订阅”免费彩票，让我觉得奇怪的是执法没有做任何事情就这个骗局。

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Likewise, the second method, unsubscribed, is invoked when a request to unsubscribe from a topic has been acknowledged.

同样地，第二个方法unsubscribed在从主题取消订阅的请求得到确认后调用。

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