2 文書を見つけるための辞書。

• bubble, house of cards
• バブル, 砂上の楼閣, 砂上
• a speculative scheme that depends on unstable factors that the planner cannot control; "his proposal was nothing but a house of cards"; "a real estate bubble"
• 計画者がコントロールできない不安定なファクターに依存する思索的な計画

• card-house, house of cards, cardhouse, cardcastle
• 砂上
• an unstable construction with playing cards; "he built three levels of his cardcastle before it collapsed"
• トランプの札で作る不安定な構造