An important consideration with a type conversion is whether the result of the conversion is within the range of the destinationdata type.
进行类型转换时的一个重要注意事项是转换的结果是否在目标数据类型的范围内。
2
The destinationdata type stores values differently, and even the value being represented might change, depending on the kind of conversion being performed.
目标数据类型以不同的方式存储值，甚至正表示的值也可能更改，具体取决于正执行的转换类型。
3
When the client sends data, the load balancer pushes that same data to the destination server.