这部电影的题材很新颖，吸引了很多年轻观众。

Zhè bù diànyǐng de tícái hěn xīnyǐng, xīyǐn le hěn duō niánqīng guānzhòng.

The subject matter of this movie is very novel and has attracted many young viewers.

近年来，以环保为题材的小说越来越多。

Jìnniánlái, yǐ huánbǎo wéi tímái de xiǎoshuō yuèláiyuè duō.

In recent years, there have been more and more novels with environmental protection as their theme.