61.   There are some obvious differences.

62.   There are some obvious differences, of course.

63.   There are the obvious differences.

64.   There is another, less obvious difference between the two.

65.   There was the obvious difference of the regional accent that instantly set us apart from the locals.

66.   There are obvious differences.

67.   There was an obvious difference in speed between the two teams.

68.   They think they can be friendly to a man without being provocative and without calling attention to the obvious differences betwen the sexes.

69.   While we share many of the same urges as other species, the obvious difference is our intelligence.

70.   Yet, for their obvious differences, the two eras are linked in the psyches of many.