31.   Although that time period was particularly dark, it was also bright with love.

32.   Although the time period of the warnings has lapsed, officials said the country should remain on alert.

33.   An idea gaining currency among economists known as hyperbolic discounting is that individuals use a larger discount for shorter time periods.

34.   An option contract gives the holder the right, but not the obligation, to buy a certain amount of a specific security within a predetermined time period.

35.   An option provides the right, but not the obligation, to buy or sell a specific amount of a specific security within a predetermined time period.

36.   An out-of-pocket limit is the maximum amount of money that patients will have to pay during a time period, usually a year.

37.   And over that time period, how much money do you think American investors have put into Treasuries?

38.   And it has a bigger audience than Letterman had in that time period.

39.   And since the effective cost of a reverse mortgage decreases the longer it is held, she said, the form reflects different costs for different time periods.

40.   And other recent studies, using different data and time periods, have come up with even higher estimates.