外贸体制改革: foreign trade system reformreform of foreign trade system
深入: 1.(达到事物的内部) go deep into; penetrate into 短语和例子深入敌后 penetrate far behind enemy lines; 深入改革 deepen [intensify] the reform; further(ing) the reform; in-depth reform; 深入国境线 deep behind the fro
