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large amount of money; great cost
家の修理に大金を費やすことになった。
We ended up spending a large sum of money on house repairs.
宝くじで大金を当てた人がインタビューを受けた。
I earned a large sum of money.
彼は事業で成功して大金持ちになったそうです。
He became very wealthy after succeeding in business.