What's the difference between "made of" and "made from"? In general, the difference is about whether or not the material keeps its form during the process of making an object. Paper is "made from" trees because the trees have changed form and are no longer trees. A chair is "made of" wood because the wood hasn't changed form, just shape. What other sentences can you make using these two phrases?
【英语学习】"made of" and "made from"的区别