如果没有执行该备份，您将收到下面尝试连接数据库的错误。
If you don't, you will receive the error below trying to connect to the database.
如果没有执行该备份，您将收到下面尝试连接数据库的错误。
If you don't you will receive the error below trying to connect to the database.
如果没有这个序列，连接尝试就会静悄悄地失败。
warn可用于表示某些可重试的事情已失败的情形；例如，它可以警告某个连接在第一次尝试时没有成功建立，并且系统将再次尝试。
warn could be used to indicate situations where something retryable has failed; for instance, it could warn that a connection was not established the first time and that the system was trying again
我从来没有见过这样的连接尝试之前。
连接成功后，有一段时间用得不错，但我想尝试一个把个人形象照片隐藏起来的功能时，视频就断掉了，后来连声音都没有了。
When it did go through, it worked fine for awhile, and then failed when I tried a feature designed to hide my image. Later, the audio dropped altogether.
连接成功后，有一段时间用得不错，但我想尝试一个把个人形象照片隐藏起来的功能时，视频就断掉了，后来连声音都没有了。
When it did go through, it worked fine for awhile, and then failed when I tried a feature designed to hide my image. Later, the audio dropped altogether.
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