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68. The following appeared in a memorandum to the planning department of an investment firm. Costs have begun dropping for several types of equipment currently used to convert solar energy into electricity. Moreover, some exciting new technologies for converting solar energy are now being researched and developed. Hence we can expect that solar energy will soon become more cost efficient and attractive than coal or oil as a source of electrical power. We should, therefore, encourage investment in Solario, a new manufacturer of solar-powered products. After all, Solarios chief executive was once on the financial planning team for Ready-to-Ware, a software engineering firm that has shown remarkable growth since its recent incorporation. 投资公司计划部的备忘录： 将太阳能转化为电能的几种设备的成本最近降低了。而且，一些令人兴奋的转化太阳能的新技术正在研究和开发中。因此我们可以预期作为发电原料的太阳能将变得比媒和石油更便宜更吸引人。我们应该鼓励给新的太阳能动力产品制造商Solario投资。毕竟Solario的CEO曾是Ready-to-Ware的财务计划团队中的一员。 1. The decrease of the cost of several types of equipment does not necessarily guarantee the reduction of the overall cost of the convertion of solar energy into electicity. 2. It is still too early to say that the technologies for converting the solar energy that are being researched and developed will certainly make the solar energy cost efficient and attractive. | 
