(每日一词）gratuitous

Gratuitous  /ɡrəˈtuː.ə.t̬əs/ adj. （不良行为等）不必要的，无谓的，无理由的

meaning: (of something such as bad behavior) not necessary, or with no cause 

1) 词根：grat- 感谢（gratitude, grateful, congratulation)

2) 后缀：-itous 形容词后缀

e.g. A lot of views complained that there was too much gratuitous sex and violence in the film. 很多观众抱怨说影片中有太多无谓的色情和暴力镜头。

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