原文：We are confronted with several formidable tasks，but right now the hardest one is to effect an all-round reform of the price and wage systems.
译文：我们面临着几个艰巨的任务，但目前最艰巨的任务是推动改革价格和工资制度的实现。

原文：We are confronted with several formidable tasks，but right now the hardest one is to effect an all-round reform of the price and wage systems.
译文：我们面临着几个艰巨的任务，但目前最艰巨的任务是推动改革价格和工资制度的实现。

修改：我们面临好几项艰难的任务，但眼下最艰难的任务莫过于启动价格体制和工资体制的全面改革。