未经请求的建议也会令人讨厌，所以不要那么做。

Unsolicited advice is perceived as annoying. Don't do it.

youdao

如果你看到一个礼堂里有火焰，则大叫“着火了！”也是一个未经请求的通知。

If you see flames in an auditorium, yelling "Fire!" is an unsolicited notification as well.

youdao

当解析器接收到未经请求而返回的资源记录时，他应该抛弃他，不放入缓存中。

When a resolver receives unsolicited responses or RR data other than that requested, it should discard it without caching it.

youdao