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loan; borrowing
恩師から恩借して学費を賄った。
I covered tuition by borrowing from my mentor.
恩借の返済を一日も忘れたことはない。
I have never forgotten, not even for a day, to repay the loan.
知人の恩借なしには事業は成り立たなかった。
Without the loan from an acquaintance, the business wouldn't have survived.