Lack of legacy support.

缺乏旧的支持。

youdao

No legacy support though, which means all current BlackBerry owners can't upgrade their devices with it.

不过，新操作系统将不再支持旧款黑莓手机，这意味着目前所有的黑莓用户都将无法将自己的手机升级到黑莓7。

youdao

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。

youdao

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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