n. a hypothesis that has been formed by speculating or conjecturing (usually with little hard evidence)
n. an investment that is very risky but could yield great profits
n. 沉思, 推测, 投机
[经] 投机交易, 买空卖空
1. The stock market is often influenced by speculation about future trends.
股票市场常常受到对未来趋势的投机影响。
2. Many people enjoy making speculation about the ending of the movie before it is released.
许多人喜欢在电影上映前对其结局进行猜测。
3. His speculation about the company's success turned out to be correct.
他对公司成功的猜测最终被证明是正确的。