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speculate
英 ['spekjʊleɪt]美 ['spɛkjə'let]
vi. 推测；投机；思索vt. 推断词源：
speculate 推测，猜测，投机，炒股
来自拉丁语 speculari,看，观察，来自 specere,看，观察，词源同 spectate,aspect.引申诸相关词义。
例句：
1. It is premature to speculate about the resumption of negotiations.
现在猜测谈判是否会重新开始还为时过早。
2. People speculate about virtuality systems, but we're already working on it.
人们才开始构思虚拟系统的时候，我们已经进行开发了。
3. It's always hard to speculate about the future.
未来一向很难预测。
4. Well, at present we won't speculate on hypotheticals.
嗯，目前我们不想去推测那些假想的东西。
5. We should speculate about the purpose of life.
我们应该想想人生的目的.
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