serve as与serve for表达的意思一样吗?能互用吗?

1。The box will serve for a seat。这只箱子能当个座儿。2。This box will have to serve for a table until the furniture arrives。在家具运来之前,这个箱子可以当桌子用。3。Studies serve for delight,for ornament,and for ability。读书可以得到乐趣,获得文采,学会本领。4。He plucked a branch of maple to serve for a walking stick。他采摘了一根枫树枝,想把它当手杖用。1。We found that birch bark could serve as paper。我们发现桦树皮可以作纸用。2。Such stories serve as a spur to children's imagination。这类故事能激发儿童的想像力。3。He volunteered to serve as the manager of our department store。他自荐当我们商场的经理。4。This episode may serve as a paradigm。这一插曲可以充作典型例子。5。They drafted her to serve as their delegate。他们选她当代表。很显然,有些情况下,二者是可以通用的。以下为个人看法：serve as “是作为什么直接使用”的意思； serve for “是起到什么作用”或者“在什么方面起到作用或作出贡献”