An important challenge is to ensure that multilateral trade rules do not constrain the ability of countries to achieve their regulatory objectives, i.e. to separate what is legitimate regulation from protectionist abuse (needless discrimination).
45. 一个重大的挑战是确保多边贸易规则不阻碍各国实现监管目标的能力，即将正当监管与保护主义滥用(更不用说歧视)加以区别。