<科技類(lèi)>
     91. The primary goal of technological advancement should be to increase people's efficiency so that they have more leisure time.
    Write a response in which you discuss the extent to which you agree or disagree with the statement and explain your reasoning for the position you take. In developing and supporting your position, you should consider ways in which the statement might or might not hold true and explain how these considerations shape your position.
     　1. 作者的假設(shè)：efficiency->leisure time。這個(gè)假設(shè)有道理的情況：工作總量不變。轉(zhuǎn)折：然而，明顯工作總量在增加，是時(shí)間很可能不變。(對(duì)比古今的效率和閑暇時(shí)間)
    2. 然而提高效率是有意義的，即便不增加閑暇，也能增加總量(對(duì)比+拆分)一定要落到今天物質(zhì)的豐富對(duì)我們的價(jià)值，以及這種豐富來(lái)源于效率的提高
    3. 提高效率還能夠解決急迫問(wèn)題(能源、環(huán)境、疾病)列舉。能源利用的效率提高;燃燒過(guò)程中燃料利用率提高減少排放;醫(yī)療體系效率的增強(qiáng)，醫(yī)用物品配送效率的提高……
     成果的來(lái)源，新手與門(mén)外漢