?缺乏

... devote to把…专用于, 完全用于(某事或做某事) a lack of缺乏 ask for请求，要求，寻求 ...

?缺少

... a knowledge of 某一学科的常识 a lack of 缺少 a large quantity of 大量(接可数、不成数表名称的词) ...

?缺乏之意

...练，和中文语感几乎雷同，所以偶翻译时很顺畅，前者用兵刃五，后者could使出虚拟被动（兵刃二之高级用法） ×A lack of 缺乏之意，你会用吗？ ×Demand 和 insufficient 都是经典词汇，必备！

?一个缺乏

a lack of ? 一个缺乏 As a conclusion, shopping on the internet has made our life easier and more efficient, but it is still not that perfect.