51.   It was a neighborhood that looked a bit like a suburb, but it was part of a real city where dividing lines are hard to find.

52.   Last fall, a Chinese ship searched for oil on what Japan considers its side of the dividing line in the seas between them.

53.   Kusmierz noted that as people focus more on individual freedoms and less on how their actions affect others, the dividing line between haves and have-nots sharpens.

54.   My central switching station just happened to lie on a dividing line between some of the most expensive neighborhoods in the city and some that are obviously struggling.

55.   Ninety percentage is the dividing line between good and bad.

56.   No dividing line, you see, between poetry and life or landscape or national history or tradition or politics or the blinding light.

57.   News of the killing set off rioting along the dividing line between the Israeli- and Palestinian-controlled zones of Hebron.

58.   On the other hand, authors understand the gossamer dividing line between published and unpublished work.

59.   Once the dividing lines were stable, all NATO had to do was patrol them.

60.   One possible result of the boomer wave splashing ashore is the end of a set age as the common dividing line between work and retirement.