众所周知，词汇是
on grounds of 由于……原因;基于……
释义
If one acts on grounds of something, his action is brought as a result of that thing.
例句
Discrimination on the grounds of sex or race is unlawful.
GRE
First, the Court required especially strict scrutiny of legislation that employed a “suspect classification,” meaning discrimination against a group on grounds that could be construed as racial.
首先，最高法院要求对那些采用“嫌犯分类”的法律进行严格审查，这种分类意味着基于人种能给一个特定族群带来歧视。