如果一国阻止另一国的商品或服务进入本国市场，全球价值链将受到干扰，产生一损俱损的溢出效应 — — 树立壁垒的国家亦不能幸免。
As soon as one country blocks another country’s goods or services from entering its market, global value chains will be disrupted, producing spillover effects that hurt everyone – including the country that erected the barriers.