一首情歌都比一个亲吻长
[yī shŏu qíng gē dōu bĭ yī gè qīn wĕn zhăng]
A love song lasts longer than a kiss. Metaphorically speaking, it signifies that sometimes the emotional journey expressed in a long-lasting ballad feels richer compared to fleeting physical affection represented by just a momentary kiss.