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

1.
猜測, 推測
the forming of a theory or conjecture without firm evidence
:
•
His disappearance has led to much speculation.
他的失蹤引發了許多猜測。
•
There was widespread speculation that he would resign.
普遍猜測他會辭職。
2.
投機, 風險投資
investment in stocks, property, or other ventures in the hope of gain but with the risk of loss
:
•
He made his fortune through shrewd financial speculation.
他透過精明的金融投機發了財。
•
The real estate market is prone to periods of intense speculation.
房地產市場容易出現劇烈的投機時期。