你来自哪颗星星我来自火星
[nĭ lái zì nă kē xīng xīng wŏ lái zì huŏ xīng]
'Which star did you come from? I'm from Mars.' Inspired by the popular notion that lovers come from different planets/stars. It symbolizes finding one's soulmate or unique self, often seen in anime, dramas, etc., to emphasize differences and the extraordinary match of destinies between people.