stressed t hat prom oting the com prehe nsive revitalizati on shoul d focus on economic constru ction a s the central focus with, pay spe cial attenti on t o grasp the impleme ntation of five development concept s, de epe ning reform and pr omoting t he all -round ope ning up, ensuring a nd im proving people 's livelihood, strengt hen t he constr ucti on of e col ogical civilizati on, "five pri or