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As a publisher, we work to bring a variety of great books to readers, in a variety of formats and prices.? We know by experience that there is not one appropriate price for all ebooks, and that all ebooks do not belong in the same .99 box.? Unlike retailers, publishers invest heavily in individual books, often for years, before we see any revenue.? We invest in advances against royalties, editing, design, production, marketing, warehousing, shipping, piracy protection, and more. ?We recoup these costs from sales of all the versions of the book that we publish—hardcover, paperback, large print, audio, and ebook. ?While ebooks?do not have the - costs of manufacturing, warehousing, and shipping that print books have, their selling price carries a share of all our investments?in?the book.

As US President Donald Trump warned on Saturday that Washington would strike multiple Iranian targets if Teheran retaliated for the US' targeted killing of Iran's top general, China vowed to play a constructive role in maintaining peace and security in the Middle East.

As different countries are developing different digital fiat currency platforms with various characteristics, the security, interoperability, and standardization of digital currency become an important issue, Wen said.

As a result, by 2025, around 18 percent of mobile connections will be running on 5G networks. Meanwhile, 4G mobile technology will account for more than two-thirds of connections in Asia by 2025, increasing from 52 percent of that in 2018.

As an integral part of the Ecolab innovation network, the Shanghai RD&E center provides advanced technical support to China and other Asia-Pacific markets, fulfilling the region's increasing demands. One of the RD&E center's core objectives is the deployment of new technology, including field testing, field personnel and customer training, as well as product maintenance and manufacturing support. Last year, Ecolab invested 6 million to develop new products and processes globally.