Should the Negotiating Bank not be advised of stopping renewal within seven (7) days after each negotiation, the unused balance of this credit shall be increased to the original amount.

每次议付后于七天之内，议付银行未接到停止循环的通知时，本信用证项下尚未用完的余额，可积累于原金额中使用。

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You can check the balance of your Tax Reserve Certificate account, including the total amount of unused electronic TRC and the accrued interest.

你可查询你的储税券帐户结馀，包括电子储税券及利息总额。

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Unlike a pre-tax healthcare flexible spending account, where you forfeit any unused balance at the end of the year under the use-it-or-lose-it rule, you can roll over any unused balance with an HSA, building a tax-free healthcare retirement kitty.

FORBES: What If You Use Your Health Savings Debit Card For Take-Out?

An accounting change last year raised the liability of unused frequent-flier miles on company balance sheets and gave airlines more incentive to get miles off their books.

WSJ: Saving Frequent-Flier Miles From the Ax

The unused input can be sealed with the patent pending V-CORK to accurately balance the sound and prevent corrosion.

ENGADGET: V-Moda ships its listener-influenced Crossfade M-100 headphones