Ben had planned a steak dinner for himself after seeing Jackie off on her plane.
seeing Jackie off 能否改为seeing off Jackie???
see sb. off 的使用方法：假如 sb 是名词，可以说 see sb off，也可以说 see off sb；假如 sb 是代词，只能说 see sb off，不可以说 see off sb 。如：
see off her son = see her son off 给她的儿子送行
see him off 给他送行