Mary beth : it ' s her attitude . she ' s calmer and more self - confident . maybe that ' s why the children follow her directions better . she ' s also more responsible than the other baby - sitters 玛丽& # 8226 ;贝思:是她的态度在起作用,她比其他保姆更镇定且更自信。这也许是为什么孩子们都更听她的话的缘故。她也比别的保姆更负责。