咖啡专属她的苦涩奶茶属于他的香甜
[kā fēi zhuān shŭ tā de kŭ sè năi chá shŭ yú tā de xiāng tián]
'Coffee represents her bitterness, while sweetened milk tea is his specialty.' Contrasts the two drinks symbolically comparing personal taste or emotional experiences. Here it refers to individual tastes/personalities – one finding solace in something slightly bitter whereas another enjoys sweeter flavors.