In other words, a single logicaldestination can represent many physical destinations.
换言之，一个单一的逻辑目标可以代表许多物理目标。
2
A destination is the logical target for each message that is sent to the bus.
目的地是每一条发送到总线上的消息的逻辑目标。
3
The receiving application can then specify that it wishes to receive the messages in this logical order, as opposed to the physical order in which the messages arrive at a destination.