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By international standards, a country or region is considered to be an "aging society" when those aged 65 or over account for 7 to 14 percent of the total population. Once that amount goes over 14 percent, the country is considered a "super aging society."
By scanning waste items with their smartphones, users can learn in seconds how to sort their trash.
CANBERRA - Researchers from Australia's national science agency have begun testing vaccines for COVID-19.
ByteDance said it's considering listing some of its businesses in Hong Kong, but no final decision has been made, in a response to CGTN.
By the end of last year, more than 164,900 companies from home and abroad had registered in Qianhai.
来源：资阳报