A piece of information that is speculative is based on guesses rather than knowledge.
双语例句
例：
The papers ran speculative stories about the mysterious disappearance of Eddie Donagan.
各报都刊登了有关埃迪?多纳根神秘失踪的猜测性报道。
2.?投机性的
Speculative is used to describe activities which involve buying goods or shares, or buildings and properties, in the hope of being able to sell them again at a higher price and make a profit.
双语例句
例：
Thousands of retirees were persuaded to mortgage their homes to invest in speculative bonds.