. . . . . . . "104539869"@en-us . . . "05907251-n"^^ . . . . . "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\""@en-us . . . . . . . "105907251"^^ . "0"^^ . . . . . . . "house of cards"@en-us . . . . . . "105563460"@en-us . . . . . . "bubble"@en-us . "house of cards"^^ . "0.125"^^ .