be lacking in sth的lacking是什麽意思？

lack in 是英文裏的固定用法，表達：缺少/缺乏，可用作動詞或名詞。在妳的例句裏，be lacking in 系現在壹般進行時。用作名詞的例句：There is a lack in the talented staff in this particular area within the company.