Science has developed to such a point that today's economic development and competition no longer rely mainly on intensive labor. For example, in the United States, the entire information highway project will take 20 years and the total investment will reach 400 billion U. S. dollars. It will cost 200 billion U. S. dollars to install large-capacity fiber optic lines in all households. visible,? ['Future economic development mainly depends on high-tech.', 'Future economic development will no longer require cheap labor.', 'The future economic development process will be a capital-intensive process.', 'Developing countries are falling behind in future economic competition.']