Reports of African men being attracted to Russia by promises of jobs and ending up on Ukraine’s frontlines have become more frequent in recent months, creating tensions between Moscow and some of the countries involved.
Nasa announced on Friday radical changes to its delayed Artemis III mission to land humans back on the moon, as the US space agency grapples with technical glitches and criticism that it is trying to do too much too soon.
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这些节省下来的资金，被医院重新投入到医疗设备、研究和患者护理上，而非行政支出。更重要的是，志愿者处理了大量非核心任务，让医护人员能专注于医疗本身，提升了运营效率——尤其是在疫情恢复期，志愿者的回归，对医院的正常运转起到了关键作用。