時差ぼけ

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カリフォルニアに帰った。

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この日は、時差ぼけがひどい。

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この日記はフォーマルな言葉とカジュアルな言葉のどちらで書くのが良いですか?

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二度：両方を練習するがいいかな？

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I'm back home in California.

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These days I've had bad jet lag.

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Is it better to write this journal in casual or formal language?

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Doing it twice to practice both is best, I guess?

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