spontaneity例句

The ersatz spontaneity of "Sunday Love" sounds especially hollow.
对《星期天的爱情》这首歌的即兴模仿听起来尤其空洞。

His enthusiasm was somewhat lacking in spontaneity, I thought.
我觉得他的热情有点勉强,缺乏自发的冲动.

He had the spontaneity of a child.
他有着孩童般的率性。