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1·It was unquestionably a step in the right direction.

这无疑是朝正确方向迈出的一步。《牛津词典》

2·They have seen the change as unquestionably beneficial to the country.

他们认为这场变革对该国无疑是很有益的。《柯林斯英汉双解大词典》

3·Now, this thing had actually and unquestionably failed.

现在，它实际上毫无疑问地失败了。

4·Still, as time goes on, we gradually but unquestionably become strangers to future people.

然而，随着时间的推移，我们逐渐但毫无疑问地成为未来人眼中的陌生人。

5·The growing dominance of secondary earners among the unemployed and improved social welfare protection have unquestionably relieved the consequences of joblessness.

中等收入者在失业人群中的主导地位日益增强，加上社会福利保障的改善无疑缓解了失业带来的后果。

6·And by looking at us, listening to us, respecting our input, affirming our value, giving us a sense of dignity, Papa was unquestionably our most influential teacher.

爸爸看着我们，倾听我们，尊重我们的想法，肯定我们的价值，给我们尊严感，毫无疑问，他是对我们最有影响力的老师。

7·Frederick Douglass was unquestionably the most famous African American of the nineteenth century; indeed, when he died in 1895 he was among the most distinguished public figures in the United States.

弗雷德里克·道格拉斯无疑是19世纪最著名的非裔美国人；事实上，当他于1895年去世时，他是美国最著名的公众人物之一。

8·This is unquestionably good.

毫无疑问，这是好的。

9·This is unquestionably true.

这毫无疑问是对的。

10·Unquestionably that will be the day.

毫无疑问，就是那一天。

无可非议地

1·This likeness unquestionably included the ability to engage in intelligible speech via human language.

这种相似性无可非议地包括使用人类的语言的能力。