生活中总不免出现这样的场面，双手腾不出来，可东西又不能放地上。这时候该怎么办？佳洁士(Crest)告诉我们，用牙叼着。。广告上写着：Crest. For stronger teeth.(佳洁士，强牙健齿。)





Creative Director (Professor): Jonathan Schoenberg
Art director (Students): Will Geddes, Tony Cozzolino
University of Colorado at Boulder