Sound book is the most expensive of the four products while the inflatable chair is the cheapest.

有声书是四种产品中最昂贵的，而充气椅是最便宜的。

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After studying these products for several years, I wrote a book about how they do it.

经过对这些产品长达几年的研究，我写了一本关于它们是如何运作的书。

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Who this book is for: If you plan to conduct usability testing on your site (or other software products) and are new to it, this book is for you.

本书的目标读者：如果你计划为网站或其他软件产品进行可用性测试，或者设计一个全新的产品，那么本书非常适合你阅读。

youdao

Ballard's latest products are a book and a TV show timed to capitalize on the frenzy of interest around the Memorial Day release of the Disney movie Pearl Harbor.

FORBES: Pursuits | Found At Sea

The book and the documentary are products of the Vessels of Brazil Project, which has been conducting careful research work for over 10 years about artisanal boat-building traditional knowledge in Brazil.

UNESCO: OFFICE IN BRASILIA

And, we might take it for granted today, but it is only very recently that the companies who survived the dot-com bust changed the way we communicate with others, book travel plans and buy products.

FORBES: Steve Jobs: Create. Disrupt. Destroy.