Set a date to use as a schedule goal but not as an ultimate deadline.
可以先制定一个日期作为开发目标，但不能作为最终的交货期限。
2
SOAP messages travel from their originator to their ultimate destination, potentially by passing through a set of intermediaries along the message path.
SOAP 消息有可能经过沿消息路径分布的一组中介体从它们的初始发送者传送到最终目的地。
3
The price that banks charge each other for short-term lending is closely aligned with the interest rate set by the central bank, the ultimate font of cash.