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Фото: Ina Fassbender / Reuters
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联通国内国外两个大市场，有利于资源要素在更大范围畅通流动，形成对全球先进资源要素的强大引力场。
But Dr Peter Macaulay, senior lecturer in psychology at the University of Derby, told the BBC backlash to Discord's new measures shows the challenge for tech firms in deploying child safety tools while preserving the trust of their communities.