Information Analysis (IA) is a creative mental work.
情报研究是一项创造性脑力劳动。
The basic factor of creative power is human's intelligence, which comes from human's creative mental work.
创造力的基本因素是人的智力，来自人的创造性脑力劳动。
Writing is the creative work of human beings in mental field, and text is only the products of the human beings labor.
写作是人在精神领域里进行的创造性劳动，文本不过是人的劳动产品而已。
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