On Sunday,Eurostar did promise to offer those who have suffered long delays or cancellations a full refund and compensation.

VOA: standard.2009.12.21

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 2003,African leaders pledged to allocate 10 percent of their budgets to agriculture by 2008, but the United Nations says only eight countries have implemented that promise.

VOA: standard.2009.10.20