|
Exercise Workers themselves may not even be aware of changes in the final commodities to which their work contributes, and the level of wages for any grade of factory labor is very little affected by the fortunes of particular market First , by attempting to present data and argue for an interpretation , scientists have to spell out clearly what the data are, what the explanation is, and what the reasons are for believing the explanation Information systems affect the scope and quality of health care, make social services more equitable, enhance personal comfort, provide a greater measure of safety and mobility, and extend the variety of leisure forms at ones disposal. 要点分析和参考译文 要点：本句由两个大分句并列而成，分句之间用and 连接；to which their work contributes是由to which 引导的定语从句，修饰final commodities；动词 contribute后须用介词to 参考译文：工人本身甚至觉察不到自己亲手生产的最终产品有了什么变化。工厂中任何级别的工人的工资水平很少受到市场情况好坏的影响。 要点：在用作状语的介词短语 by attempting to present data and argue for an interpretation中，动词不定式to present和argue并列，作动名词 attempting 得宾语。三个以what引导的名次性从句并列，作spell out的宾语。 | 
