Though it may be possible to measure the value of material goods in terms of money, it is extremely difficult to estimate the true value of the services which people perform for us. 虽然用金钱来衡量物质产品的价值是可能的;但要估计人们为我们提供的服务的真正价值却极为困难. 《用法词典》 A person may appoint agent to perform the same acts which he might legally do himself. 一个人可以委托一个代理人去完成他自己能够合法完成的相同行为. The supplementary reports on specific subjects may be compiled additionally if necessary 金山词霸致力于为用户提供高效、精准的在线翻译服务，支持中、英、日、韩、德、法等177种语言在线翻译，涵盖即时免费的AI智能翻译、英语翻译、俄语翻译、日语翻译、韩语翻译、图片翻译、文档翻译、中英润色校对、续写扩写等功能。我们的爱词霸翻译器在线助力英文学习者高效翻译，提升. It may take some perseverance to find the right people. 要找到合适的人也许需要有点锲而不舍的精神. 《简明英汉词典》 The research may also shed light on the genetic underpinnings of human disease. 这项研究也可能揭示人类疾病的遗传学基础. 期刊摘选
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