61.   Others swear by a subtle change in the background color, from a light green to a yellow-green.

62.   Over a year or two, jobs can undergo all sorts of subtle changes.

63.   Only the players will notice the subtle changes, which should have little effect on scoring.

64.   Others have noticed a subtle change in the usually easy-going coach.

65.   Others were worried about subtle changes in the final plan as compared to a draft released last year.

66.   Over the years, at increasing cost, they have installed instruments around the country to measure subtle changes in the soil that might be omens of quakes.

67.   Possible explanations for the mismatch include chemical or other indirect effects and subtle changes affecting brain cells that pathologists cannot detect with standard tests.

68.   Puzzled at first, Auster begins to see subtle changes in the scene, reflecting the passing seasons and different times of day.

69.   Pressed about whether any dilution of the Senate gun show provision would prompt a filibuster, Schumer indicated that he might accept subtle changes.

70.   Rather than drastic programming switches, more subtle changes are expected to play out in years to come.