Speculation
缺乏确凿证据时的推断；财经语境中指冒风险的买卖以博取收益，与 investment 相比更偏短线博弈。
- “Officials dismissed the report as pure speculation.” (官员称该报道纯属臆测。)
- “There was widespread speculation about the CEO’s resignation.” (外界对首席执行官辞职有诸多猜测。)
- “He lost money on real estate speculation during the boom.” (他在繁荣期做房地产投机亏了钱。)
拉丁语 speculari（观察、窥探），与 spectare（看）相关；经古法语进入英语。
动词 speculate 去 e + 名词后缀 “-ion”，表示行为或结果。
媒体标题常用 speculation 提醒读者信息未证实；金融市场讨论中该词常带负面或高风险色彩。
- 固定搭配: “idle speculation” (无根据的揣测), “housing speculation” (楼市投机)
- 动词: speculate；形容词: speculative
spect（看）→ 远远地看、看不清 → 只能猜 → speculation。
“Rumors and speculation spread online before the company issued a statement.” (公司发表声明前，谣言与猜测在网上蔓延。)