20 30 40
- taona: 2004
- Firenena: Hong Kong, Taiwan, United States of America
- Genre: Drama, Romance
- Studio: Film Guidance Fund, CP Film Production Asia, Tang Moon International Production Company, Red on Red Productions, Columbia Pictures
- Keyword: woman director
- tale: 張艾嘉
- Cast: 張艾嘉, 劉若英, 李心潔, Kate Yeung, 梁家輝, 黃秋生