be replaced with和by区别

be replaced with意为“用……替代……”

be replaced by意为“被……替代”。

1、在多数情况下replace by... = replace... with ... 用（以）......代替（取代，替代）...。

They replaced the wooden chairs with plastic ones.

They replaced the wooden chairs by plastic ones.

他们用塑料椅子替代了木椅子。

2、而replace with 却不等于replace by，(replace by 常有“取而代之”的味道），因为replace by代指范围较小。

Now it's replaced by a supermarket.现在它已经被一家大型超市给替代了。

The surprise in her face was replaced by joy.她脸上惊讶的表情被快乐取代了。