EntryCommonJLPT N4
  1. Conjunction

    so; therefore; accordingly; consequently; on those grounds; that is why; for that reason

    see ですから

    1日中テニスをしていたのだから。
    He was playing tennis all day.
  2. Expressions (phrases, clauses, etc.)

    like I said; I told you already

    at the start of a sentence

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