ethnic lines

基本解释

As expected, Bosniansvoted along ethnic lines in their elections.
波斯尼亚选举正如预期一样，他们依旧根据种族界限进行投票。
The two main candidates campaigned across ethnic lines, and there was a genuinely competitive race.
两位主要候选人在在各民族间进行竞选活动，竞争着实激烈。
There's still a digital divide, but it no longer operates on racial or ethnic lines but along urban proximity, educational, and income divisions.
数字鸿沟在这种意义上仍然存在，但已经不存在于种族或者人种之间，而是存在于不同的城市接近程度、受教育程度以及收入差距之间。

Yet schools are strictly divided on ethnic lines and people simply do not mix.
ECONOMIST: Bosnia, rebuilt but still divided
Considerable progress has been made in achieving universal access to primary and secondary schooling across racial and ethnic lines.
UNESCO: II Part Analytic Section
They are in disarray—the party split, seemingly along ethnic lines, in a way that bodes ill for the country.
ECONOMIST: Our online news editor finds the opposition in disarray