Wilfrid Owen's poems stress the absolute futility of war.威尔弗里德·欧文的诗强调战争的徒劳无益。Freed acted with his accustomed shrewdness.弗里德以他一贯的精明风范行动起来。With the above quotation, Alfred Marshall opens his famous "Principles of Economics".阿弗里德·马歇尔用上面所引的话开始了他的名著《经济学原理》。