be covered with 和be covered by 的区别,请造句哇

题目

be covered with 和be covered by 的区别,请造句哇

答案

be covered with 被…所覆盖,覆盖着,盖满…
The grass was covered with frost in the early morning.
The tree was covered with beautiful pink blossom.
be covered by ...:由...承担/负担/支付;被...掩护/报道/监视/控制等等,表示抽象的概念,后面接人,机构,或者组织.
These expenses are covered by the state.