In the span of a month, an artificial intelligence assistant called OpenClaw has come to embody both China’s excitement and its anxiety about what A.I. can do. 短短一个月内，一款名为OpenClaw的人工智能助手既体现出中国社会对人工智能潜力的兴奋，也折射出人们对它的焦虑。 Long lines stretched across Shenzhen…