precondition

音标发音

The US should insist on a substantive agenda as a precondition for any Obama visit.
美国应该坚持将实质性的议事日程作为奥巴马访问的前提。
After taking office in January, Barack Obama offered talks without precondition to Iran.
一月，奥巴马上任以后，提出与伊朗进行无先决条件会谈。
However, the precondition is that all shared attributes must be serialized and deserialized.
然而，前提是必须对所有共享的属性进行序列化和反序列化。

"We're convinced that the Cuban government, and President Raul Castro said this also, that everything is on the table, discussion,dialogue,no precondition.,"
It would appear that Milton's suggesting that it's chastity that actually establishes something like a precondition for hearing and learning that inspired song that's actually sung before the throne of God in Revelation.
那表明了弥尔顿的建议,关于确实是贞操建立了某些事物,像听和学的事先准备对歌的启发作用,在《启示录》里确实在上帝面前唱了。
耶鲁公开课 - 弥尔顿课程节选
That is the necessary precondition for the stability that I think everyone is seeking for the country to be able to move forward,"

For those who insist that political freedom is a fundamental precondition, the historical evidence is disappointing.
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something that must happen or be true before it is possible for something else to happen

If one thing is a precondition for another, it must happen or be done before the second thing can happen or exist.