In spite of all that has been said, quite a lot of people are still uncertain about the prices of housing in China.

尽管已经说了很多，有很多人对于中国的房价仍然不敢确定。

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Nowadays, we rely on news for information, but we are uncertain about the truth of the news.

如今，我们依靠新闻获取信息，但我们却不确定新闻的真实性。

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For example, a company may be able to estimate accurately the aggregate number of shoes it will sell, but it may be uncertain about which specific types of shoes will sell more than other types.

例如，一个公司也许能够准确地估计它将销售的鞋子总数，但它可能不确定哪一种特定类型的鞋子将比其他类型的鞋子卖得更多。

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says the whirlwind of activities leading up to the Oscars leaves him uncertain how he feels about his nomination as best actor.

VOA: standard.2010.02.18

And So, Descartes used the method of doubt to say there's something really different about having a body that's always uncertain, from having a mind.

因此,笛卡尔运用怀疑方法得出,与拥有不可确定的身体不同,拥有心理是肯定的

耶鲁公开课 - 心理学导论课程节选

It seems uncertain about which of Uruguay's neighbours to emulate.

ECONOMIST: Counter-reform in Latin America

The local authority group says that councils are still uncertain about whether there will be further reviews of decisions about building projects.

BBC: ?260m 'wasted' in axing school building plans

This leaves us uncertain about the effects of any particular rise in atmospheric CO2.

FORBES: Global Warming Will Increase Tropical Forests