lacking放句首是非谓语动词作主语/状语。

中文意思是“缺少什么”。也可用lacking in something 例如，因为缺乏耐心，我这一生简直是碌碌无为。Lacking/Lacking in patience,I simply have got nowhere in my life.缺少资金是公司发展的最大问题。Lacking money is the biggest difficulty in the development of our company.