Chapter 4 turns the abstract ideas mentioned in Chapter 3 into the practices of using land evaluation-making a concrete case study of an actual estate project.

论文第四章运用土地价值评估方法，进行一个实际开发项目的实例研究。

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Both as a writer and as a moralist, he regarded the exploration of abstract forms and ideas as dubious, valuing messy humanity instead.

身为作家、道德家，他认为抽象形式和思想的探索毫无把握，反而看重纷繁杂乱的人性。

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Comprehending the way abstract ideas relate to one another is essential for reading.

对于阅读，领会抽象概念相互联系的方法是很重要的。

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Oftentimes, inventions that seem, in the abstract, to be good ideas may be impossible because something that you have to do to make it actually come into practice is too expensive and so it's not economic to produce the invention.

通常在理论上,创新固然不错,但却很难实现,因为把创意变成现实,花费会相当的昂贵,实现这样的创意非常不合算

耶鲁公开课 - 金融市场课程节选

Both as a writer and as a moralist, he regarded the exploration of abstract forms and ideas as dubious, valuing messy humanity instead.

ECONOMIST: Musing on an English master

The Supreme Court has already said that abstract ideas, natural phenomena and laws of nature cannot be given a patent, which gives an inventor the right to prevent others from making, using or selling a novel device, process or application.

NPR: Can Human Genes Be Patented? Utah Firm At US Court

She added the decision to switch from the party's previous system of having two principal speakers followed "the realisation that people don't respond to abstract ideas".

BBC: Greens coming of age, says Lucas