For some safety critical system, the cost of testing almost corresponds to the triple or quintuple cost of all other developing phase.

对于某些安全关键的软件，其测试费用甚至高达所有其它软件工程阶段费用总和的三到五倍。

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You can make special requests, like 'dressing on the side' or 'quintuple bacon.

你也可以有具体的需求，比如说‘调料放在边上’或者‘五倍的熏肉’。

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