> これが学習者にとっては妙な **のだと** 気付くには慣れが必要かもしれませんが

What does のだとmean here ?
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2019-11-08T07:40:58.093
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2019-11-08T08:36:18.280
2019-11-08T08:36:18.280
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question
grammar meaning particles
What is the meaning of のだと in this context?