public speculation 公众猜测
financial speculation 金融投机
speculation about 关于...的猜测
blind speculation 盲目猜测
pure speculation 纯属猜测
1. The media is full of speculation about the new product's launch date.
媒体上充满了关于新产品发布日期的猜测。
2. His theory was based on pure speculation rather than solid evidence.
他的理论基于纯粹的猜测，而不是坚实的证据。
3. Investors should be careful when engaging in market speculation.
投资者在进行市场投机时应保持谨慎。
A: Do you have any facts about who will be the new manager?
A：关于谁将担任新经理，你有任何确凿的事实吗？
B: Not yet, it's all just speculation at this point.
B：还没有，目前这一切都只是猜测。
1) 猜测；臆测（基于不确切信息）
2) 投机（尤指金融市场的风险交易）
3) 推测；假说（学术或逻辑上的推演）
1. 猜测，臆测
2. 投机
3. 推测
e.g.Speculation is growing that the company will go bankrupt.
关于该公司将破产的猜测正在增加。
noun
1. the act of considering or estimating the nature, size, or value of something, typically on the basis of incomplete information.
2. the practice of buying and selling stocks, commodities, or currencies on the chance that prices may rise or fall.
Synonym: conjecture, guess, supposition