单词	black swan
释义	black swanˌblack ˈswan (also ˌblack ˈswan eˌvent) noun [countable] an event that no one expects and that has a very great effect
随便看	Los Alamos Los Angeles Los Angeles Lakers Los Angeles Symphony Orchestra Los Angeles Times, The lose loser Losey, Joseph loss loss adjuster loss leader loss-making lossy lost lost-and-found Lost Generation lost property lot loth Lothario Lothian lotion lotsa Lot's wife lottery

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