具体： Mr.Liu is one of the youngest Fellows of the National Scoiety and a most distinguished biochemist.
抽象： Mr.Liu is one of the youngest Fellows of the National Scoiety and a biochemist of considerable distinction.
具体： My US friends took me to a great many historical corners in campus of Harvard and shared with me abundant information, which I could hardly have obtained in any other way.
抽象： My US friends offered me a remarkable orientation of Harvard's history, which I could hardly have obtained in any other way.
具体： You must seek the word, the verb, and the adjective that best captures your ideas, and never be satisfied with the ones that only come close to what you want to convey.
抽象： You must seek the word, the verb, and the adjective that best captures your ideas, and never be satisfied with approximations.
注意，我们承认英语中存在大量的抽象名词，但并不等于说这些词广泛适用。有些时候这些词过于抽象，读者得不到较切实的印象。拿"Miss Wu had great success in her study"这句化来说，"Miss Wu reached the top ladder of her study"就比它形象具体得多了。我们不说"We go to great length of serving customers with courtesy"，而说"We serve our cunstomers with a smile".