当有了离线支持，失去连接信号并不意味着数据会被丢失。
But with offline support, a dropped signal doesn't mean lost data.
当失去连接或从服务器端断开时在客户端调用。
Called on the client when the connection was lost or you disconnected from the server.
在一个异常之后，通常连接失去，并且需要重新建立。
After an exception, usually the connection is dead and needs to be rebuilt.
在第二个例子中，客户端失去了与服务器的连接。
In the second case, the client is disconnected from the server.
这意味着我们失去了与惯性的连接。
很显然，这就失去了进行Internet连接的意义。
Obviously that defeats the purpose of having an Internet connection.
很显然，这就失去了进行Internet连接的意义。
Obviously that defeats the purpose of having an Internet connection.
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