If you simply test for specified features, you can determine if they are all implemented, but you cannot determine from this whether or not your developers have implemented unspecified features.

如果您仅仅测试特定的特性，您可以确定他们是否全部都被实现了，但是您不能确定您的开发人员是否实现了那些并没特定指明的特性。

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And while you don't use them until they are implemented, the SOAP toolkit may not be performance tuned, as work is still being done on features.

直到实现它们，您才会使用它们，SOAP工具箱也许没有进行性能调整，因为工作仍然在特性上进行。

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Though impressive, there are some features of XForms that are not implemented in the Firefox add-on.

尽管给人留下的印象深刻，Firefox附件仍然还有一些Xforms的特性不能实现。

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Both services represent an evolution of current e-reader features, which thus far have implemented social networking as content-sharing, not purchases, and limited rewards to non-monetary prizes.

FORBES: Kobo CEO On The Future Of E-Readers And Google Books