in a world 通常加of ...
表示在一个什么样的世界里
Half the time I lived in a world of imagination – I still do.
我一半的时间都住在想象的世界里——我现在也还是这样.
In a world of wonders,this may be the most exhilarating thing yet.
在这样一个奇妙的世界里,这可能是最令人兴奋的事情.
And we must do so in a world in which we must compete for every opportunity.
而且,我们必须在一个需要为每个机会而竞争的世界上做到这一切.
in the world 在世界上；到底
And they continue in the world.
它们在这个世界上持续着.
These boxers last met in the world title match last year.
这些拳击手上一次交手是在去年的世界锦标赛上.
In this state you can feel that you are in the world but not of it.
当你在这种状态中时你能感觉到你在这个世界之 中而不是在由它组成.