The Basic four is a food plan based on four food groups: milk and milk products, meats and meat substitutes, fruits and vegetables, and grains (breads and cereals).

四基础是基于四类食物的计划：乳和乳制品、肉和肉替代品、水果和蔬菜及谷物(面包和谷类食物)。

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The Basic four is a food plan based on four food groups: milk and milk products, meats and meat substitutes, fruits and vegetables, and grains (breads and cereals).

四基础是基于四类食物的计划：乳和乳制品、肉和肉替代品、水果和蔬菜及谷物(面包和谷类食物)。

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