margin/ 'mɒːʤɪn /

1.noun [c] 
(difference) (of votes,points) 差数

2.noun
(extra amount) (for safety,error etc) 余地

3.noun [of page] 
(space) 页边空白

4.noun
(edge) 边缘

(on) the margins (of sth)
(在)(某事物的)边缘