speculation
🇺🇸
/ˌspekjuˈleɪʃn/
🇬🇧
/ˌspekjuˈleɪʃn/
guessing about something without knowing all the facts
There was much speculation about why he left his job suddenly.
關於他突然離職的原因有很多猜測。
buying and selling things hoping to make money, but risking loss
Stock market speculation can lead to big gains or big losses.
股市投機可能導致巨大收益或巨大損失。