图源：视觉中国 蓝鲸新闻2月11日讯（记者 翟智超）当地时间2月10日，美股三大指数集体走高，道琼斯工业指数、纳斯达克指数、标普500指数收盘时分别涨0.38%、0.98%、0.67%。

Many tourism companies are targeting China’s seniors to attract more customers. Last year, Swiss-based Viking Cruises worked with Shanghai’s University for the Elderly to launch a program for the ...