Both parents were gainfully employed.是什么意思？

Both parents were gainfully employed.

父母都是工薪阶层。

both

adj. 二者，两者都；pron. 二者；adv. 二者，二者都；conj. 不仅…而且…，…和…都；

例句
The gym can be used by both able-bodied and disabled people.
这家健身房健全和残障人士都可使用。

parents

n. 双亲（ parent的名词复数 ）；

例句
Some parents believe a boy must learn to stand up and fight like a man.
有些父母认为男孩子必须学会像男子汉一样顶天立地，勇于抗争。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

gainfully

adv. 有利益地，有收入地；

例句
Both parents were gainfully employed.
父母都是工薪阶层。

employed

v. 雇用( employ的过去式和过去分词 )，使用，利用；

例句
The tactics employed can range from overt bullying to subtle emotional blackmail.
从公然威吓到微妙的情感胁迫，各种战术都用上了。