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Amazon’s?patent,?approved last month,?could lead to the?development of noise-canceling headphones?that could?be overridden and muted by certain noises or keywords. This could mean the headphones are always listening for something that could indicate danger, like a car horn or emergency vehicle siren. It also means users could program in their own override words, phrases and sounds, such as the user’s name.

Among the new offerings, more than two-thirds are the Su-style cakes－with flaky and crispy shells and savory fillings－baked to order at a low price. This means they are catering to the "real consumers", according to Chen.

Amid efforts to improve clinical blood security in medical institutions at and below the county level, half of the country's blood supply had been allocated to these institutions for three consecutive years since 2016, the NHC data show.

Amazon’s push for faster shipping has reshaped the retail industry, with many competitors such as Target and Walmart now offering their own free two-day delivery options. Walmart in May?unveiled?one-day delivery on more than 200,000 items with a minimum order threshold of .

Amid efforts to optimize the social and cultural environment for the healthy growth and study of children, authorities will step up supervision and regulation of internet services that may affect children, such as games, literature, livestreaming and video clips, giving children guidance on positive reading and on how to surf the internet in a civilized way.