paucity

1. N-SING If you say that there is a paucity of something, you mean that there is not enough of it. 短缺[正式] [N 'of' n]

Even the film's impressive finale can't hide the first hour's paucity of imagination. 这部电影在开头一个小时中毫无想象力，即使有个让人印象深刻的结局也无法掩盖这个缺憾。

...the paucity of good women sprinters. ...优秀女子短跑选手的匮乏。