这个项目从一开始就缺乏清晰的愿景。

A clear vision has ___been ___lacking in this project from the start.

危机期间，最高层缺乏果断的领导力。

During the crisis, decisive leadership ___was ___lacking at the highest levels.

在紧急避难所，甚至连清洁的水这类基本物资都缺乏。

In the emergency shelter, even basic supplies like clean water ___are ___lacking.