汉语翻译

a. 边缘的, 最低限度的, 有旁注的
【医】 缘的

词型变化：

副词:marginally 名词:marginality 

词意辨析：

marginal, minor, negligible, minimal

这些形容词均含“不重要的、次要的”之意。
marginal: 指处于边缘，幅度、范围小，故价值或重要性不大。
minor: 多指与别的比较后显得不重要，或指较少、较小。
negligible: 指数量小，不重要，微不足道或可忽略不计。
minimal: 指最少、最低或最小。

英语解释：

形容词 marginal:

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

例句：

1. The marginal strip of beach; a marginal issue that had no bearing on the election results.
   边缘细长的海滩; 和选举结果没有多大关系的边缘问题
2. Barren or marginal farmland.
   荒芜或边远的农田

详细解释：

mar.gin.al

adj.（形容词）
Of, relating to, located at, or constituting a margin, a border, or an edge:
边缘的：边缘、边界或边的，与此有关的，在或形成边缘、边界、边的：
例句：
the marginal strip of beach; a marginal issue that had no bearing on the election results.
边缘细长的海滩；和选举结果没有多大关系的边缘问题

Being adjacent geographically:
毗连的：地理上相邻的：
例句：
states marginal to Canada.
和加拿大相邻的各州

Written or printed in the margin of a book:
有旁注的：写在或印在书页边上空白处的：
例句：
marginal notes.
旁注

Barely within a lower standard or limit of quality:
最低限度的：仅维持在某一较低标准或限度内的：
例句：
marginal writing ability; eked out a marginal existence.
写作能力很低；勉强维持生计

Economics
【经济学】
Having to do with enterprises that produce goods or are capable of producing goods at a rate that barely covers production costs.
边际效用的：与某种企业的生产有关，这种企业以正好收回生产成本的比率进行生产或能够以此比率生产
Relating to commodities thus manufactured and sold.
与在这种情况下生产和出售出的商品有关的
Psychology Relating to or located at the fringe of consciousness.
【心理学】 与意识边缘有关的，或在意识边缘的
n.（名词）
One that is considered to be at a lower or outer limit, as of social acceptability:
边缘人物：那些被认为处在社会可接受标准的下限或外限的：
例句：
.is fascinated by marginals, by people who live on the edge of society.(Dan Yakir)
.被生活在社会边缘的人所吸引.(丹·雅克)

【引伸】
mar.ginal.ity

mar.ginally
adv.（副词）