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Key Meanings of "Contain"
- To hold or have inside: A bottle contains water; a box contains a ring.
- To include or comprise: A book contains chapters; a recipe contains flour.
- To restrain or keep within bounds: Trying to contain laughter or a growing fire.
- To prevent spread (Military/Emergency): Efforts to contain an epidemic or enemy advance.
- Mathematics: A number being a multiple of another (e.g., 10 contains 2 and 5).