You know without a doubt that you're on the right track as you make progress toward something meaningful and important.

当你朝着有意义而又重要的方向前进，你坚信自己走在正确的路上。

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You can ask the interviewee relevance framing questions when you can't see why a point was brought up but want to get the interview back on track by giving the benefit of the doubt.

当你不清楚为什么会得出某个结论，而想姑且表示同意以便言归正传时可以向应试者提问关联框架型问题。

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During the next 50 years, regardless of which career track a young person pursues, there is no doubt about the fact that competence in English and Chinese will be relevant, and beneficial.

在之后的50年，不管当初这个小伙子的职业之路走到哪里，毫无疑问都离不开他娴熟的中英文双语能力，也让他获益匪浅。

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With such a track record, few doubt that Frankfurt calls many of the shots in the Euro.

ECONOMIST: European stockmarkets

Young athletes in Hastings may be forced to train outside the town after the future of the area's only running track is thrown into doubt.

BBC: Hastings athletics track 'wearing out' and may close

Although less than two minutes of it was shown, with No Doubt's Hella Good track thumping in the background, it illustrated the various new markets that Microsoft hope its new controller will expand into.

BBC: Microsoft unveils Xbox 'Kinect' motion controller