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by extension; in turn; by the same token; in addition; as well; consequently
環境問題はひいては人類の存続に関わる。
Environmental issues in turn affect human survival.
小さな努力がひいては大きな成果を生む。
Small efforts in turn produce great results.
この決定がひいては未来を左右する。
This decision will in turn affect the future.