An example postcondition: the new balance is the old balance, less the amount withdrawn.

后置条件示例：新的余额就是老的余额扣除取款金额。

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In the present world, the old balance has been broken, while the new one is brewing.

当今世界，旧的平衡已经打破，新的平衡正在建立。

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There will now be strong calls to restore some of the old values. Is that the best balance to strike?

显然当下回归老价值观念的呼声又会高涨，然而这真的是最佳的平衡方法吗？

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But the old balance scale still appears in art as a symbol of justice, weighing the claims of disputing parties.

FORBES: No. 15: The Scale

But imagine if they said that you now have a new one, which you have to pay 8% on: and each month, some of the old balance will be transferred to the new card?

FORBES: Eurozone: Italy Heads Over the Edge

Madden said the balance between old and new is a trait exclusive to his DC customers.

FORBES: Old versus New: The Duality of DC Style