Beans are a good source of fiber.
Meaning: Beans are a good source of fiber, which is important for digestive health.
Choice of Words: Beans are a type of legume that is often used in cooking. Good is an adjective that means satisfactory or desirable. Source is a noun that refers to the origin or cause of something. Fiber is a type of carbohydrate that is not digestible by the body but is important for maintaining a healthy digestive system.
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