Why is the AIR approach preferable to building an offline component for browser-based applications, along the lines of what Google is doing with Google Gears?

为什么用air的方式为浏览器上的应用构建离线组件是更可取的，与Google用Google Gears做的事情相比？

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Similar hardware for the both systems is preferable.

最好对两个系统使用类似的硬件。

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The latter option is usually preferable, as it makes less work for the collector and allows the entire cache to be reclaimed with less effort when memory is in high demand.

后一种选项通常更好一些，因为它给垃圾收集器带来的工作更少，并且允许在特别需要内存时以较少的工作回收整个缓存。

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Customer service and quality gained the upper hand over low pricing, and Waitrose and Sainsbury's emerged as the preferable destination for the growing middle-class segment.

BBC: Tesco profits fall as supermarket pulls out of US

General Musharraf will no doubt say that a strong presidency and a constitutional role for the army are preferable to lurching from democracy to dictatorship and back, as Pakistan has done throughout its 54-year history.

ECONOMIST: General Musharraf appoints himself president

And it would certainly be preferable for the government to adopt all of the Neill proposals than to delay legislation or dilute the recommendations which cause it difficulty.

ECONOMIST: Neill and the cash machine | The