These difficulties exacerbate the complexity and maintainability of such systems, promote vendor lock-in, and increase the need for long-term legacy support in the enterprise market.

这些困难恶化了这类系统的复杂性和可维护性、增强了厂商锁定、增加了企业市场中对传统系统长期支持的需要。

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Legacy Support - Through virtualization technologies legacy applications can be run on modern operating systems they were not originally designed for.

遗留支持——通过虚拟技术，遗留应用可以运行于它们初始设计所不支持的现代操作系统之上。

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Having dumped (unceremoniously) most legacy support, it runs better, with a smaller footprint, and is more secure.

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While we can't say we're surprised, knowing that Microsoft hadn't mentioned legacy support before, the news no doubt dampens the enthusiasm for developers who now need to wait for a wave of new devices before they can join the freemium app gold rush.

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In their understanding the fact that these so-called legacy applications support the operations of billions of dollars of profitable business is completely missed.

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