每个机器人“能够胜任两个半普通工人的工作量”，这样人们就可以无忧无虑地享受无任务，无工作，无忧虑的生活，而不用事事亲历亲为。
Each robot “can do the work of two-and-a-half human laborers,” so that humans might be free to have “no other task, no other work, no other cares” than perfecting themselves.
然而，我们知道，衣食无忧仅仅是生活的一个方面，人们对生活的要求是多侧面的，文明程度越高，人们的心理需求就越高。
Yet, we all know that supply of provisions and clothing is only one aspect of life; man's demand on life is many-sided. Higher the civilization, higher is man's psychological aspiration.
人们坚信，生活充满乐趣、无忧无虑就是幸福，而这样做实际上减少了获得真正幸福的机会。
The way people hold to the belief that a fun-filled, painfree life equals happiness actually reduces their chances of ever attaining real happiness.
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