as to 和as for的区别
1、句中位置
as for 用以转换话题，在有前文的情况下as for总是出现在下文的句首,用来引出另外一方或者新的谈话内容。
as to常放于句中,表示“关于……方面”、“有关……之事”,但为了突出要提及的人或事之时,也可将as to置于句首,以示强调
2、表示的内容
as for还可以用来表示讲话人对某人或某物持有“轻蔑”或“冷淡”的态度,甚至有憎恶之感。
as to引出的内容都是前文曾经提到过的或者谈话对方都有所了解的,表示“说到”之义。
一、as for
英 [æz fɔ:] 美 [æz fɔr]
至于， 关于;说起
1、The fat and flour are rubbed together with the fingertips as for pastry.
像做油酥面团那样用指尖把脂油和面粉揉搓到一起。
2、As for his job — well, he was very mysterious about it.
至于他的工作，他总是显得非常神秘，从不多说。
3、As for me, I'd prefer this one to all the rest.
要是我，我会首选这个。
4、As for the hero's fate, I will hold it over for my next book.
关于主人公的命运问题，我将留到下一本书中再谈。
二、as for
英 [æz tu:] 美 [æz tu]
至于; 关于;按着;根据
扩展例句
1、I have no way yet as to how to deal with such a complicated situation.
这样复杂的局面该怎么应付我还没谱儿呢。
2、Jackie and Ben came to a joint decision as to where they would live.
关于他们将住哪里是杰姬和本共同决定的。
3、They paused at the top of the stairs, doubtful as to which way to go next
他们在楼梯顶部停住了，不知道接下来该往哪边走。
4、How can faculty improve their teaching so as to encourage creativity?
教师们如何才能改进教学以激发创造性呢？