她是命不是梦他是梦不是命
[tā shì mìng bù shì mèng tā shì mèng bù shì mìng]
Translates into 'She Is My Life, Not A Dream; He Is My Fantasy But Not Real'. There's an emphasis on the importance or reality one (a female figure here) has on the user’s life, as well as an intangible, unattainable quality that applies to the other (the male figure). The netizen might have different types of feelings for two individuals or express two facets of the same feeling: tangible but profound affection, versus abstract and possibly idealized desire.