蓝色校服到白色婚纱白色婚纱到黑色礼服
[lán sè xiào fú dào bái sè hūn shā bái sè hūn shā dào hēi sè lĭ fú]
This transition metaphor represents important stages in life: from student (blue uniform worn by Chinese students), marriage (white wedding dress symbolizing purity/new beginnings), eventually aging/mourning (black funeral attire).