speculation
US /ˌspek.jəˈleɪ.ʃən/
UK /ˌspek.jəˈleɪ.ʃən/

名詞
1.
憶測, 推測
the forming of a theory or conjecture without firm evidence
例:
•
His disappearance has led to much speculation.
彼の失踪は多くの憶測を呼んだ。
•
There was widespread speculation that he would resign.
彼が辞任するだろうという広範な憶測があった。
2.
投機, 思惑買い
investment in stocks, property, or other ventures in the hope of gain but with the risk of loss
例:
•
He made his fortune through shrewd financial speculation.
彼は巧妙な金融投機によって財産を築いた。
•
The real estate market is prone to periods of intense speculation.
不動産市場は激しい投機の時期に陥りやすい。
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