The only significant doubt is Theo Walcott, who went off at half time in the Reserve team game against Portsmouth on Wednesday night.

另外一个可能无法上场的重要球员是沃尔科特，他在周三预备队对朴茨茅斯的比赛中中场被换下。

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There is generally little doubt that fire is a significant factor in maintaining savanna, certainly in most regions.

火灾是维持稀树草原的一个重要因素，在大多数地区都是如此，（人们）对此通常很少有疑问。

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Contracts will be respected and business will continue, but have no doubt, this significant contribution will benefit the whole country.

合同将继续被履行，企业也将继续运作，但是毫无疑问，他们的重大贡献将有利于整个国家。

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"Ambac's ability to raise sufficient capital to avoid a downgrade is now in significant doubt, " said CreditSights analyst Rob Haines in a research note Thursday.

FORBES: Magazine Article

Shares slumped 60% on the day of its results blow, when its auditors also raised "significant doubt" about its ability to continue as a going concern.

BBC: JJB Sports store

However, the economic environment and trading circumstances create material uncertainties which may cast significant doubt on the Group's ability to continue as a going concern in the future.

BBC: HMV clinging on