51.   The obvious differences between Bullock and Bush were great.

52.   The only obvious difference is that the mascot here was Ellie the Elephant.

53.   The second collective bargaining agreement was much better than the first, with the most obvious difference the absence of the luxury tax.

54.   The subtleties of language rather than the obvious differences are difficult to master and to grasp them requires a good ear and attentiveness to reactions.

55.   Their obvious superficial differences notwithstanding, Williams and Kent are soul mates.

56.   There are obvious differences between the United States and Britain, but current economic arguments in both countries are surprisingly similar.

57.   There are other, obvious differences between the two bodies.

58.   There are some obvious differences between the Bakke and Piscataway cases.

59.   There are obvious differences between electronic and biological circuitry.

60.   There are obvious genetic differences even within species.