He made a rough stab at working out the expenses and found out it was costing us40centavos to print one20 - centavo bill.
他大致估算了一下费用，发现印一张20分的钞票要花40分钱。
He made a rough stab at working out the expenses and found out it was costing us40centavos to print one20 - centavo bill.
他大致估算了一下费用，发现印一张20分的钞票要花40分钱。
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