marginal

詳細解釋：

mar.gin.al

adj.（形容詞）
Of, relating to, located at, or constituting a margin, a border, or an edge:
邊緣的：邊緣、邊界或邊的，與此有關的，在或形成邊緣、邊界、邊的：
例句：
the marginal strip of beach; a marginal issue that had no bearing on the election results.
邊緣細長的海灘；和選舉結果沒有多大關係的邊緣問題

Being adjacent geographically:
毗連的：地理上相鄰的：
例句：
states marginal to Canada.
和加拿大相鄰的各州

Written or printed in the margin of a book:
有旁註的：寫在或印在書頁邊上空白處的：
例句：
marginal notes.
旁註

Barely within a lower standard or limit of quality:
最低限度的：僅維持在某一較低標準或限度內的：
例句：
marginal writing ability; eked out a marginal existence.
寫作能力很低；勉強維持生計

Economics
【經濟學】
Having to do with enterprises that produce goods or are capable of producing goods at a rate that barely covers production costs.
邊際效用的：與某種企業的生產有關，這種企業以正好收回生產成本的比率進行生產或能夠以此比率生產
Relating to commodities thus manufactured and sold.
與在這種情況下生產和出售出的商品有關的
Psychology Relating to or located at the fringe of consciousness.
【心理學】 與意識邊緣有關的，或在意識邊緣的
n.（名詞）
One that is considered to be at a lower or outer limit, as of social acceptability:
邊緣人物：那些被認為處在社會可接受標準的下限或外限的：
例句：
.is fascinated by marginals, by people who live on the edge of society.(Dan Yakir)
.被生活在社會邊緣的人所吸引.(丹·雅克)

【引伸】
mar.ginal.ity
mar.ginally
adv.（副詞）