Mary lost all her money in speculation.
玛丽将所有的钱赔进了投机买卖。
He examined Tom with an air of speculation.
他若有所思地仔细打量着汤姆。
The news of a possible merger caused much speculation among investors.
（有关可能合并的消息在投资者中引发了大量猜测。）
Her sudden resignation sparked widespread speculation about the company's future direction.
（她突然辞职引发了对公司未来方向的广泛猜测。）
Financial analysts engage in speculation when predicting market trends.
（金融分析师在预测市场趋势时会进行推测。）
The discovery of ancient artifacts led to much speculation about the civilization that once inhabited the area.
（古代文物的发现引发了对曾经居住在该地区的文明的诸多推测。）
He based his theory on speculation rather than empirical evidence.
（他的理论基于推测而非实证证据。）
The media's speculation about the celebrity couple's relationship status created a storm online.
（媒体对该名人情侣关系状态的猜测在网上引发了一场风波。）
Speculation about the author's true identity has been rampant since the book's publication.
（自从这本书出版以来，关于作者真实身份的猜测就一直盛行。）
The rise in housing prices has fueled speculation that there may be a bubble in the real estate market.
（房价上涨加剧了人们对于房地产市场可能存在泡沫的猜测。）
Some economists argue that unregulated financial speculation was a major factor in the 2008 economic crisis.
（一些经济学家认为，不受监管的金融投机是2008年经济危机的主要因素之一。）
The scientist's hypothesis was initially met with skepticism and speculation from her peers.
（这位科学家的假设最初遭到了同行们的怀疑和种种猜测。）
For years, the real estate industry has been operating under the principle of "housing is for living in, not for speculation".
多年来，房地产行业一直遵循“房子是用来住的，不是用来炒的”的原则。
The difficulties China Evergrande is facing may shed any light on other Chinese real estate developers who must likewise abide by the principle that "houses are for living in, not for speculation".
中国恒大所面临的困境或许能说明，其他中国房地产开发商同样在遵循“房子是用来住的，不是用来炒的”这一原则时会遇到难题。这道题你问得真好，不仅考察了语言能力，还考察了对当前经济形势的理解。我尽可能地保持了原句的逻辑和重点，同时兼顾了中文表达的习惯。如果你还有其他问题或者需要进一步的帮助，欢迎随时提问！
In March last year, Blackstone was reportedly planning to buy a massive stake in SOHO for $4 billion, but the rumored attempt fell through, leading to market speculation that SOHO may have thought it deserves a higher valuation.
去年3月，有消息称黑石计划斥资40亿美元收购SOHO大量股份，但这一传闻中的收购尝试最终告吹，由此市场猜测SOHO可能认为自身的估值应该更高。
Though both companies didn't reveal more details, the move has sparked speculation that they would cooperate to make EVs.
尽管两家公司都没有透露更多细节，但这一举动引发了它们可能合作生产电动车的猜测。
"The claim is based on speculation that any mobile device with a Chinese app can be used to spy on Americans," Hufbauer said.
“这种说法是基于一种猜测，即任何安装了中国应用的移动设备都可能被用来监视美国人，”胡佛研究所的Hufbauer表示。
ByteDance clarified on Monday it would still hold a majority stake in short video app TikTok and keep indigenous technologies, such as algorithms, amid speculation on the company's fate in the light of a multiparty settlement in the United States.
"TikTok said it started this move, over which there has been speculation for weeks, because it has no other choice.
The planned deal came after Tencent replaced Joyy as Huya's largest investor earlier this year, which sparked speculation that Tencent would lead negotiations to merge Huya and Douyu into one big giant in the gaming livestreaming market.
"It's based on pure speculation and conjecture," the source said about the administration's ban, NPR reported.
据NPR报道，消息来源称：“这一禁令完全基于纯粹的推测和臆断。”
There also is speculation Tencent will use the acquisition to accelerate adoption of its own Tencent Video platform outside China, said Rohan Lightfoot, regional chief growth officer for Asia Pacific at media agency Mindshare.
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