Importrestraints are equivalent to a sales tax and often apply to necessities.
进口限制相当于销售税，而且往往是针对必需品。
2
But the cost is enormous and requires huge subsidies to producers and importrestraints which have discouraged competitive exporters.
但是这样做的成本是很高的，并且要求对生产者以及进口进行大量补贴，而这个会挫伤出口竞争者的积极性。
3
Furthermore, a Member shall not seek, take or maintain any voluntary export restraints, orderly marketing arrangements or any other similar measures on the export or the import side.