They are a world-class team and it was no surprise that they

world-class = among the best in the world
句意：他们是世界上最好的队伍.难怪他们会以这么大的差距赢了比赛.
margin
amount of space,time,votes,etc by which sth is won 获得某事物相差的时空、 票数等的量; 差数; 差额; 差距:
eg:
1.a wide margin between the winner and the loser,eg a big difference in points scored 胜败双方比分的巨大差数
2.He beat the other runners by a margin of ten seconds/by a wide margin.他以领先十秒[很大差距]战胜了其他赛跑者.
3.She won the seat by a margin of ten votes.她以十票优势赢得席位.
区别：
fringe：
outer edge of an area,group or activity （地方、 群体或活动的）外围.如：the fringe of a forest 森林的边缘
border：
（land near the) line dividing two countries or areas; frontier 边界; 边境; 国界; 国境; 边境地区.如：The terrorists escaped across/over the border.恐怖分子越过边境逃走了.
verge：常用on/to the verge of sth
at or close to the point where sth new begins or takes place 在某事即将发生之际; 接近出现某事物之点.如：on the verge of war,success,bankruptcy 在接近战争爆发、 成功、 破产之际
Her misery brought her to the verge of tears.她难过得快要哭了