How can I fix them without needing to become a performance expert?

如果我不是性能专家，如何修复这些问题？

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I do want to mention that I do not consider myself a performance expert.

我希望提到的是，我并不认为自己是性能方面的专家。

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Web performance expert Steve Tack says retailers have worked hard to deliver an online shopping season free of the website crashes and technical problems common in previous years.

网络表现专家Steve Tack表示零售商们都努力让在线购物季不会受到网络崩溃和技术问题的影响。而这两件事在往年还是很常见的。

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Changes in how people approach a task are interesting and important, but without careful evaluation of strategy shifts, better expert performance might wrongly be attributed to more fundamental differences in perception and memory.

FORBES: Do Video Games Make You Smarter? Maybe Not.

The remainder of the vote is cast by national expert juries, who based their scores on a dress rehearsal performance Friday night.

CNN: Denmark wins Eurovision Song Contest

The wood is now being transformed into a harp by an expert in Austria and Mr Lowings hopes it will be ready for its first performance in August.

BBC: NEWS | UK | England | Cambridgeshire | Ancient harp to play again