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roll over是什么意思

roll over

美[roʊl'oʊvər]  英[rəʊl'əʊvə]

英英释义

Verb
  1. make a rolling motion or turn;

    "The dog rolled over"

  2. negociate to repay a loan at a later date for an additional fee;

    "roll over a loan"

  3. re-invest (a previous investment) into a similar fund or security;

    "She rolled over her IRA"

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