var carFleet = function (target, position, speed) {
为80岁母亲手机设三重“防骗墙”失效，“技术男”把亲身经历告诉大家引以为戒
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All of the robovacs I've tested have announced out loud when they're in remote viewing mode. But not all robot vacuums provide that courtesy notification (the DJI Romo, for one, does not).
def _extract_text(node) - str: