【教えて下さい】「Had I fully realized...」の意味

but it is relatively safe to estimate that approximately 30 to 45 minutes is the maximum time you can study with real efficiency without taking a break.

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2015-11-16 03:18:58

英語勉強中さん

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But it is relatively safe to estimate that approximately 30 to 45 minutes is the maximum time you can study with real efficiency without taking a break.

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【教えて下さい】「Had I fully realized...」の意味

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