Her speech was memorable for its polemic rather than its substance.

　　她的演說(shuō)之所以令人難忘，不是因其內容而是因其辯論方法。

　　Movie music can be made memorable because its themes are repeated throughout the film.

　　電影音樂(lè )可以制作得令人難忘，因為其主旋律在影片中反復出現。

　　Outdoor advertising can be memorable.

　　戶(hù)外廣告可以令人難忘。

　　The veteran soldier has fought many memorable battles.

　　這個(gè)老兵參加過(guò)許多難忘的戰斗。