marginal, minor, negligible, minimal

形容詞 marginal:

1. at or constituting a border or edge
   同義詞：fringy
2. of questionable or minimal quality
   同義詞：borderline
3. of a bare living gained by great labor
   同義詞：hardscrabble
4. just barely adequate or within a lower limit
   同義詞：bare
5. producing at a rate that barely covers production costs
6. being close to a lower limit or or of lower class

1. 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(jié)果沒有多大關(guān)系的邊緣問題
2. Barren or marginal farmland.
   荒蕪或邊遠的農(nóng)田

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(guān)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(jié)果沒有多大關(guān)系的邊緣問題

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:
有旁注的：寫在或印在書頁邊上空白處的：
例句：
marginal notes.
旁注

Barely within a lower standard or limit of quality:
最低限度的：僅維持在某一較低標(biāo)準(zhǔn)或限度內(nèi)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(jīng)濟學(xué)】
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(yè)的生產(chǎn)有關(guān)，這種企業(yè)以正好收回生產(chǎn)成本的比率進行生產(chǎn)或能夠以此比率生產(chǎn)
Relating to commodities thus manufactured and sold.
與在這種情況下生產(chǎn)和出售出的商品有關(guān)的
Psychology Relating to or located at the fringe of consciousness.
【心理學(xué)】 與意識邊緣有關(guān)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(biāo)準(zhǔn)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）