When the balance of a current account is negative, it is called overdraft.

当活期账户的余额为负数时，称为透支。

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Every night it writes off, as lost, whatever you have failed to put to use. It carries over no balance. It allows no overdraft.

每晚，便会购销一切你没有充分利用的时间，它从不延缓进出平衡，也不允许透支。

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Every morning, time credits you with 86, 400 seconds. Every night it writes off, as lost, whatever you have failed to put to use. It carries over no balance. It allows no overdraft.

每天早上，时间给你存入86400秒，每晚取消你没有利用的时间，不会自动转入第二天，也不允许透支。

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Bluebird, first available through a pilot program last year, will have no minimum balance and avoid monthly, annual and overdraft fees.

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The Federal Reserve announced new rules on Thursday that will prohibit banks from automatically enrolling customers in so-called overdraft protection programs, which charge high fees for exceeding the balance in an account.

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Checking your account balance before you make a purchase not only protects you from an overdraft situation, but it also gives you time to consider if the purchase is worth making.

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