Citing the airline industry, he said full service carriers were operating on legacy software written 30 years ago.

谈到航空领域，Brett表示传统航空公司采用的是30年前编写的软件。

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The goal of a reengineering project is to restructure a legacy software system so that some of its quality attributes are improved.

再造工程项目的目标是重新构造遗留软件系统，以便提高一些质量属性。

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One of the key problems in reverse-engineering a legacy software system is to understand the code and build an architectural representation of it.

将遗留软件系统逆向工程中的关键问题之一是了解代码并构建其架构表示。

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But banks are reluctant to overhaul this legacy software owing to the cost and complexity involved.

FORBES: Bankware

Big corporations tied to legacy software installations and multi-year contracts are finding it very hard to make the required transition, often stuck with software that was built 10 to 20 years ago.

FORBES: Revolution: A New Era In Software For Small Businesses

Many Windows shops have important legacy software investments.

FORBES: Windows Devices: The Future Is Called RT