v.推测，猜测，推断，投机，做投机买卖

原形：speculate第三人称单数：speculates过去式：speculated过去分词：speculated现在分词：speculating

He is good at speculating on the stock market.
他擅长炒股。
We all speculated about the reasons for his divorce.
我们都猜测他离婚的原因。
They begin to speculate our their future after marriage.
他们开始思索婚后的未来。
Speculating on the stock market can be risky, but it can also yield significant profits if done wisely.
在股市中投机有风险，但如果明智地操作，也可能带来可观的利润。
Many investors speculate about the future direction of interest rates when making investment decisions.
许多投资者在做投资决策时会推测未来利率的走势。
Economists speculate that the country's GDP will grow by 5% next year.
经济学家预测该国明年GDP将增长5%。
The real estate market is currently seeing a lot of speculative buying, with investors purchasing properties hoping for a quick resale profit.
房地产市场目前出现了大量投机性购买，投资者购入房产以期待快速转手获利。
Scientists speculate that there could be other planets in the universe capable of supporting life.
科学家推测宇宙中可能存在其他能够支持生命存在的行星。
Analysts speculate that the company might merge with its rival to strengthen its market position.
分析人士推测该公司可能会与竞争对手合并以加强其市场地位。
Some people speculate that the sudden resignation of the CEO might be due to internal conflicts.
有人推测CEO的突然辞职可能是因为内部矛盾。
It's speculative to assume that the project will succeed without conducting thorough research and analysis.
未经深入研究和分析就假设项目会成功是投机取巧的。
Climate experts speculate that global warming could lead to more frequent and severe natural disasters.
气候专家推测全球变暖可能导致更频繁、更严重的自然灾害。
Investors speculate on the cryptocurrency market with the hope of getting high returns, despite the volatility.
尽管加密货币市场波动性大，但投资者仍寄希望于通过投机获取高回报。