A person has a budget constraint if the person can borrow and lend at the interest rate.

在某一利率下,人都有自己的预算限制

耶鲁公开课 - 金融市场课程节选

As WHCF and Budget Director, my first meeting of the day my first responsibility of the day was to be at the senior staff meeting 7:30 every morning at 7:30.

作为办公室主任和预算主任，我每天的第一场会议,每天的第一件任务,就是出席高级职员会议,每天早上。

普林斯顿公开课 - 国际座谈会课程节选