我们需要通过提高个人的和团队的效率，来减少软件开发成本。

We need to reduce software development costs by improving both individual and team productivity.

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新方法既可降低软件开发成本又可减少软件维护费用。

This new method can reduce software development cost and software maintenance cost.

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软件重用是目前提高软件质量和开发效率、降低软件开发成本的一种重要手段。

Software reuse is an important way to improve software quality and development efficiency, and decrease development cost.

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