我们有帮助你经营自己业务的专门知识。

We have the expertise to help you run your business.

《牛津词典》

如前所述，有了合适的设备和相应的专门知识，任何无线传输都有可能受到干扰。

As said before, with the right equipment and the right know-how, it's possible to jam any wireless transmission.

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居里夫人是一位具有化学专门知识的物理学家。1898年，她在法国巴黎发现了放射性物质的镭和钋。

Madame Curie was the physicist with expertise in chemistry that, in 1898, discovered the radioactive substances of radium and polonium in Paris, France.

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