Unitedly they believe that the currunt global economic system is not working and the sweeping changes are urgedtly needed. 他们一直认为当前的全球经济体系已经不起作用，迫切需求进行全面的改革。
Whatever vaccines ultimately become available, there is no question that such preventives are urgently needed. 不管最终出现的是哪种疫苗，对它们的迫切需求是毫无问题的。
