新GRE閱讀長難句往往是考生一大頭疼之事，準(zhǔn)確分析句中的意思方能在GRE考試中得高分，以下是新GRE閱讀長難句中譯英練習(xí)的16~20部分。

　　16. The American economic system is organized around a basically private-enterprise, market-oriented economy in which consumers largely determine what shall be produced by spending their money in the marketplace for those goods and services that they want most.

　　17. Thus, in the American economic system it is the demand of individual consumers, coupled with the desire of businessmen to maximize profits and the desire of individuals to maximize their incomes, that together determine what shall be produced and how resources are used to produce it.

　　18. If, on the other hand, producing more of a commodity results in reducing its cost, this will tend to increase the supply offered by seller-producers, which in turn will lower the price and permit more consumers to buy the product.

　　19. In the American economy, the concept of private property embraces not only the ownership of productive resources but also certain rights, including the right to determine the price of a product or to make a free contract with another private individual.

　　20. At the same time these computers record which hours are busiest and which employers are the most efficient, allowing personnel and staffing assignments to be made accordingly. And they also identify preferred customers for promotional campaigns.

　　16.[參考譯文]美國的經(jīng)濟(jì)是以基本的私有企業(yè)和市場導(dǎo)向經(jīng)濟(jì)為架構(gòu)的，在這種經(jīng)濟(jì)中，消費(fèi)者很大程度上通過在市場上為那些他們最想要的貨品和服務(wù)付費(fèi)來決定什么應(yīng)該被制造出來。

　　17.[參考譯文]因此，在美國的經(jīng)濟(jì)體系中，個(gè)體消費(fèi)者的需求與商人試圖最大化其利潤的欲望和個(gè)人想最大化其收入效用的欲望相結(jié)合，一起決定了什么應(yīng)該被制造，以及資源如何被用來制造它們。

　　18.[參考譯文]另一方面，如果大量制造某種商品導(dǎo)致其成本下降，那么這就有可能增加賣方和制造商能提供的供給，而這也就會(huì)反過來降低價(jià)格并允許更多的消費(fèi)者購買產(chǎn)品。

　　19.[參考譯文]在美國經(jīng)濟(jì)中，私有財(cái)產(chǎn)的概念不僅包含對生產(chǎn)資源的所有權(quán)，也指其他一些特定的權(quán)利，如確定一個(gè)產(chǎn)品價(jià)格和與另一個(gè)私人個(gè)體(經(jīng)濟(jì)單位)自由簽定合同的權(quán)利。

　　20.[參考譯文]同時(shí)這些計(jì)算機(jī)記錄下哪些時(shí)間是最忙的，哪些員工工作效率最高，這樣就能相應(yīng)地做出人員人事安排。而且它們(計(jì)算機(jī))也能為促銷活動(dòng)找到那些擁有優(yōu)先權(quán)的顧客。