英语听力课堂(www.tingclass.net)是公益性质的英语学习网站，您可以在线学习英语听力和英语口语等,请帮助我们多多宣传，谢谢！
You can't change iron into gold.
你不能把铁变成金。
I want to change dollars into pounds.
我想把美元换成英镑。
A:Yesterday I bought a sweater from your store.and I'm afraid it's too small. So I want to change that into a bigger one.
昨天我在你们店里买了一件毛衣，我恐怕它太小了，我想换个大一点的。
B:Ok,wait a minute.
好的，请稍等。