对……存在疑问

against Be in doubt

以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译

1
不过在这点上有明显的地区差异：30%的亚洲经理人对欧元的继续存在表示疑问，而东欧参与调查的经理人的这一比例只有4%。
But there are marked regional differences: 30% of Asian executives doubt the euro’s survival, compared with only 4% of eastern Europeans.
2
毫无疑问，这一程序存在着一定的滞后，但是，另一种对民意反应更为迅速的程序也许会将暂时不得人心的林肯和华盛顿逐出历史舞台。
To be sure, there is a lag in the process, but a process more immediately responsive to the people’s will might have ousted Lincoln and Washington in their unpopular moments.
3
由于只有4个按钮，是否也需要在数据库中对其进行编码还存在疑问。
With only four buttons, it is questionable whether this needs to be encoded in the database, as well.

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