There was just one requirement: Lin would have to promise to study it for at least one year.

只有一个要求：林必须承诺至少学习它一年。

youdao

JEFF: And you have to promise me something else.

杰夫：你还得答应我另一件事。

youdao

He may also have to promise to lay off the Mahdi Army.

他可能还得要保证遣散马赫迪军。

youdao

It holds promise to greatly improve the abilities of people who have lost both arms.

VOA: special.2009.03.10

So it is my promise to you and it is the huge staff's promise to you that we will absolutely get you through this course and you will have a good time doing so.

所以我对你们承诺，也是所有教员的承诺：,你们绝对能够通过这门课程,并且在课程中度过一个愉快的时光。

哈佛公开课 - 计算机科学课程节选

But the problem of one's being called to be a great poet is that one may have an inkling or some sense of a promise of future greatness but nothing really to show for it yet.

但是一个人被召唤去变成伟大诗人的问题在于,他可能会有一丝感觉他将来必定是伟大的,但还没有什么能够真正表明这一切。

耶鲁公开课 - 弥尔顿课程节选

"In the past, Apple didn't have to promise exciting new things, " he wrote.

CNN: Apple hints at 'exciting new product categories'

They don't have to promise to give minimum standards to the tenants or to the landlords.

BBC: Call to clamp down on unscrupulous letting agents

And to beat your opponent in the next election, you have to promise to give more away.

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