感激做某事
appreciating───v.欣赏（appreciate的ing形式）；感激；使增值；鉴别
appreciatingly───感激地
appreciations───[经]增值；欣赏
appreciated───vt.欣赏；感激；领会；鉴别；vi.增值；涨价
appreciates───v.欣赏；感激（appreciate的第三人称单数）
appreciation───n.欣赏，鉴别；增值；感谢
appreciativeness───欣赏
preparatory to doing sth───准备做某事
have a way of doing sth───有做某事的方法