speculation

n

• ① 思索,沈思;推测,臆测<on, about>
  • There was much speculation about the cause of the fire.对于那场火灾的原因有许多揣测。
  • He engaged in speculation on the origin of the universe.他从事有关宇宙起源的推敲。
  • His report was based on speculation.他的报告是根据臆测的。
  • His speculations proved totally wrong.他的推测完全错了。

• ② 投机;投机买卖<in>
  • speculation in oil投机买卖石油
  • buy land as a speculation炒地皮
  • He has made some good [bad] speculations.他由投机而赚钱[赔钱]。
  • He bought some shares [stocks] as a speculation.他买了一些股票做投机。
  • on speculation做为投机