It's a good idea to choose an alternative destination in case your first-choice tourist spot is not available.
如果你首选的旅游景点去不成的话，选择一个替代目的地是个好主意。
2
Destination unknown may not be the case this time. But it feels just as great.
未知的目的地也许不是这次遇到的情况，但是在路上的感觉仍然非常好。
3
However, you are free to also specify the JNDI name of the destination, in which case, the destination name you specify in the deployment descriptor overrides the one in the activation specification.