一件萤黑正服一袭莹白长纱
[yī jiàn yíng hēi zhèng fú yī xí yíng bái zhăng shā]
Translates to 'One dark formal suit, one piece of shimmering white gown', depicting an elegant contrast of attire colors, likely used in ceremonial or artistic scenarios, symbolizing day and night, black and white, etc., highlighting elegance.