It is doubtful that Microsoft bought the company just to enhance Live Search.

人们怀疑微软买下这个公司不是仅为加强其搜索业务的。

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Under these uncomfortable conditions, it is doubtful that doctors can get accurate measurements.

在这种不舒适的条件下，医生能否得到准确的测量结果是可疑的。

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It is doubtful that anyone among a handful of potential successors could command as much local respect.

在一把继任者能够获得同样的尊重。

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State Department Spokesman P.J.Crowley said the United States welcomes the visit by President Lula, but that it is doubtful it will yield anything useful.

VOA: standard.2010.05.14

It is doubtful that they will put much pressure on companies to boost returns.

ECONOMIST: Japanese stockmarkets

Worse, it is doubtful that this loan will even provide stability until the election.

ECONOMIST: The IMF and Argentina

It is doubtful that any of that cubic kilometre will ever run at all.

ECONOMIST: A survey of Spain