61.   All the cosmetic changes and technological advances in the running-shoe market can create an air of uncertainty.

62.   But are movies getting louder to keep up with technological advances, or are speaker manufacturers struggling to keep up with a seemingly endless string of boisterous Hollywood offerings?

63.   But compared with matters like trade, technological advances and the treatment of dissidents, the slaughter of girl babies can be a tough sell.

64.   But high school graduates today find fewer such jobs as technological advances and growing foreign trade have reduced the need for unskilled and semi-skilled labor in factories.

65.   But in this city, people recognize that technological advances sometimes have their limits.

66.   But it is a reminder that technological advances have made it easier to treat stock trading as something like casino gambling.

67.   But proponents say that the drive to reduce pollution, as well as technological advances in biology and materials science, will help them.

68.   But technological advances are creating widespread disruptions even as they invigorate the economy.

69.   But technological advances have indisputably changed our lives forever.

70.   But recent technological advances like software and hardware improvements that allow for a stronger signal have increased its popularity.