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adj. 边际主义的
n. [经]边际主义
"Marginalising and discriminating against particular sectors do not benefit society and families, " she said.
BBC: New Zealand to vote on legalising gay marriage
But in fact there are two reasons for thinking that the poor are not merely marginalising themselves, they are also being marginalised.
ECONOMIST: American politics is both too rigid and too flexible
It may be tempting to conclude that the poor are marginalising themselves, and there is not much that can be done about it.
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