Suppose you are fixing a defect or implementing an enhancement, for example.
比如，假设你正修改一个缺陷和执行一个新功能。
Cost savings: as most of us have heard before, the cost of fixing a defect increases the further it survives in the development cycle.
节约成本：和我们中的大多数人之前听说的一样，一个软件缺陷在开发周期中存在的时间越长修复这个缺陷的成本就越高。
Testing at the end of the lifecycle is the worst possible time that you could do it because the cost of fixing a defect rises exponentially the longer it takes you to find it.
生命周期末尾的测试是最糟糕的可测试时间，因为确定缺陷的成本随您找到它的时间成指数级上升。
Fixing defects was never a trivial task. Each defect raised the following questions.
修复缺陷绝不是微不足道的任务。
Andrews argues that fixing a genetic defect that causes a catastrophic disease and passing that correction to new generations would be a benefit, not a risk.
安德鲁斯争辩说，修复导致致命疾病的基因缺陷并将治疗后的基因传给下一代是一件有益的事情，而不是风险。
Andrews argues that fixing a genetic defect that causes a catastrophic disease and passing that correction to new generations would be a benefit, not a risk.
安德鲁斯争辩说，修复导致致命疾病的基因缺陷并将治疗后的基因传给下一代是一件有益的事情，而不是风险。
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