At the February 14th auction, Treasury bills were-- sixty-day treasury bills were sold and the auction price is given.

在2月14日的拍卖中,卖出了60天期国库券期,这里给出了拍卖价格

耶鲁公开课 - 金融市场课程节选

Now, you have to understand that the Treasury has these auctions only on these dates.

你们要清楚,国库券只在规定的日期中拍卖

耶鲁公开课 - 金融市场课程节选