Asian stocks fall and Europe subdued ahead of central banker speeches
各国央行行长讲话前夕亚洲股市下跌，欧洲股市低迷

Jobs data and hawkish comments from senior Fed official come before Jackson Hole meeting
杰克逊霍尔会议前夕，就业数据公布，美联储高级官员发表鹰派言论。