问题补充：
请问 衣服后面是用 be made of ,还是be made from,,
答案：
be made of 是可以看出原材料的
be made from是不可以看出原材料的
衣服要根据材质来说,选择of还是from
一般情况下,都是用of
======以下答案可供参考======
供参考答案1:
用be made of
供参考答案2:
be made of 是可以看出原材料的，be made from是不可以看出原材料的，
供参考答案3:
都可以吧！be made of 是可以看出原材料的,例:The sweater was made of woollen.毛衣是羊毛作的(可以看出的)be made from是不可以看出原材料的,例/:The paper is made from wood纸是树木作的(看不出来的)
