And some other rules are to build up the kids' character in order that he or she can live a life of high quality, such as delay of gratification, keep one's promise.

而有些原则是锻炼孩子的品质，让他可以更高质量地生活，比如延迟满足，说到就要做到等。

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Since Iowa is a competitive state in November, each candidate has a reason to keep that promise at the national conventions this summer when the 2004 nomination rules will be set.

CNN: David Yepsen: Winners make Iowa, New Hampshire look good