81.   Insurance rates are based on projecting future losses, but rely on past experience to help predict.

82.   It is unclear how quickly a long-term ban on testing might be negotiated, but past experience with North Korea suggests that it could take years.

83.   Most of all, however negative your past experiences with the IRS have been, remember that its employees are only human.

84.   Never assume you know the cheapest route based on past experience.

85.   On the basis of past experience, the truth here seems easy enough to surmise.

86.   Others even forecast deductions as a certain percentage of an order, based on past experience.

87.   Our past experience with new-fangled dollar coins has not been encouraging.

88.   Past experience as a legal affairs and appellate courts reporter will help her with the intellectual property issues.

89.   Past experience has shown that the oil weapon is two-edged.

90.   Past experience has taught police what to expect when fans spontaneously rush into the streets after the Niners win the Super Bowl.