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21世纪,是人类发展的新阶段,人类社会从政治、经济、文化等方面,都将发生重大变化。未来学家和营养学家预测,在这个新世纪里,人类在饮食方面将发生新的变革,形成新的观念,出现新的习俗。不过,这种变革将会是逐步地发生的:从发达国家,拓展到发展中国家;从城市,逐渐推向乡村;以高收入家庭转向大多数家庭。其变化的基本趋向,主要表现在以下几方面:
The 21st century is a new phase of human development. There will be major changes in the human society in political, economic and cultural fields. Futurists and nutritionists predict that in this new century, new changes will take place in the diet of mankind, forming new concepts and new customs. However, such changes will take place step by step: from developed countries to developing countries; from cities to rural areas; and from high-income families to most families. The basic trend of its change is mainly reflected in the following aspects: