41.   Alternative musicians, once shielded by the cocoon of their modest ambitions, suddenly face a new field of opportunity and of ethical quandary.

42.   Both Noto and Raymond faced the daunting task of finding huge new fields of oil and natural gas to replace dwindling reserves.

43.   But leaving his established dental practice to become a novice in a new field proved challenging.

44.   But now, we have come into a new field.

45.   But its stock has slumped, illustrating the challenges of being among the first to cultivate a new field in technology.

46.   But with the advent of penicillin, its incidence began to decline, and Whittemore shifted her focus to congenital heart disease, a relatively new field then.

47.   But, the new field of broadcasting and communications regulation soon became the dominant practice.

48.   Cheerleaders rather then economists are the pundits of this new field.

49.   Chinese President Jiang Zemin dedicated the airport earlier Thursday and then took off for Beijing from the new field.

50.   Clearly unfamiliar with his new home field, Vaughn bolted for the first-base boxes and quickly ran out of room.