They have demanded the release of three prisoners as a precondition for any negotiation.

他们要求释放3名囚犯作为谈判的先决条件。

《柯林斯英汉双解大词典》

A ceasefire is a precondition for talks.

停火是和谈的先决条件。

youdao

The former was a precondition for the latter.

前者为后者提供了前提条件。

youdao

The Palestinians say direct talks will not happen until Israel stops building in the occupied West Bank and in East Jerusalem, a precondition they had not placed in prior rounds of negotiations.

VOA: standard.2010.05.03

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

"There has never been a precondition,"

VOA: standard.2009.11.01

Unlike many Republicans, Mr. Rubio doesn't say that improved enforcement is a precondition for immigration reform.

WSJ: The Weekend Interview with Marco Rubio: Riding to the Immigration Rescue

The DUP's 64-page manifesto says a satisfactory financial package is a precondition for establishing devolution.

BBC: The DUP at their party's manifesto launch

Their personal enrichment came to be seen as a precondition for the enrichment of everyone else.

NEWYORKER: Super-Rich Irony