61.   But swapping sides appears to be common practice in Afghanistan, where the opposition is lax when it comes to scrutinizing Taliban defectors.

62.   But that is not likely to become a common practice anytime soon.

63.   But the more common practice is a less formalized sex-for-money exchange in which nothing is negotiated up front.

64.   But there is a new fuss surrounding the common practice of classic re-releases, and it may have raised box-office expectations unrealistically high.

65.   But Wexler, following the lead of dermatological innovators on the West Coast, started administering it off label, a common medical practice.

66.   But within the small-group language of common practice, it is Shorter whose pieces weather better through time.

67.   But this common practice is gradually succumbing to evidence that it is often unnecessary and unwise.

68.   By that time, the method had already become common practice in the West.

69.   By the time the case reached the Supreme Court, home recording was a common practice.

70.   Chumming is a common practice among great-white tour operators in Australia and South Africa.