学历层次的英文：
educational background

An educator must first educate himself.
教育者必须自己先受教育。

Rural education reform is a hot spot in education research.
农村教育问题是目前教育界研究的一个热点。

social psychology of education.
教育社会心理学 。

He was handicapped by lack of education.
他因文化水平低而吃了亏。

They're cutting funds for education.
他们正在削减教育经费。

melt into the background
逐渐消失|渐渐由浓变淡

The CSS background properties define the background effects of an element.
层叠样式表中的背景属性为元素定义了一个背景效果。

There is a sense of aliveness in the background.
在背景上有一种活力的感觉。

A daemon is a process that runs in the background.
守护进程是在后台作业运行的程序。

There was a lot of background noise.
背景噪音很多。