of the world前面一般有名词,翻译成 世界上的什么（人或物）.in the world 是在世界上.
of the world
网络
因为我们是世界之王; 属世; 世界的; 属于世界
in the world
英[in w(r)ld]美[?n ?i w?rld]
词典
世界上，究竟; 世上
网络
世界; 在世上; 天下
例句
1 Who leads Canada is also of some import to the rest of the world.
谁领导加拿大对世界来讲也具有一定的重要性。
2 The competition has been thrown wide open by the absence of the world champion.
由于世界冠军缺阵，这场比赛变得胜负难定。
3 The eternal battle between good and evil in the world
世界上正义与邪恶的永恒斗争
4 Nothing was to prevent him now from becoming the richest, and therefore the happiest, man in the world.
现在什么也阻挡不了他成为世上最富有因而也是最幸福的人。