题目

the fence of the house was built out of used soda cans.
这里什么时候用out of 什么时候用fromof我还记得刚写过有一句是,the bridge was built out of steel.所以我弄稀里糊涂了,

提问时间：2020-12-18

答案

out of一般是指从具体物体里取出、拿出、走出、发出等等.
而out from则是来自或发自抽象物体里.
例如：
out from death
out from confrontation
out from deep
out from under
等等.