To answer the first part of your question, I'd like to say that our studies were very extensive.
你问题的第一部分,我要说的就是我们的研究非常广泛。
Indeed, it may well be that those whose work is their pleasure are those who most need the means of banishing it at intervals from their minds.
说实在的,把工作当作享受的那些人可能最需要每隔一段时间把工作从头脑中撇开。