We could get 20 times the work results from the same staff ? or we could get the same work done with a factor of 20 fewer staff 只要同樣數(shù)量的人員完成20倍的工作,或者用二十分之一的人員完成同樣的工作量。
Studies of fossil teeth and bones from human species that lived millions of years ago indicate that meat did not play a significant part in diet , and that at least one in twenty met their end in a predator ' s jaws . the findings support the idea that the communication skills and group living that are characteristic of modern homo sapiens evolved as defensive measures against lions , hyenas , crocodiles and eagles 據(jù)泰晤士報2月20日報道,通過對數(shù)百萬年前的遠古人類的牙齒及骨骼化石的研究,美國華盛頓大學的羅伯特-瑟斯曼博士發(fā)現(xiàn),肉類食物在遠古人類的日常飲食當中并不占據(jù)重要位置相反,他們中至少有二十分之一的人喪命于食肉動物的口中。