A border trade zone between China and the Democratic People's Republic of Korea (DPRK), located in northeast China's Liaoning Province, has been approved, the provincial government announced on July 13.
互市贸易区，即国境边界上的贸易区，如中俄互市贸易区，可以用border trade zone表示。我国边境地区的居民和对方国家边民可进入互市贸易区从事border trade。此外，相邻的国家之间一般会进行border defense cooperation，共同维护边境地区的安全。
据悉，辽宁丹东市国门湾中朝边民互市贸易区预计10月投入运营。China-DPRK border trade zone设立后，丹东市距陆路边境20公里以内的边民，可持边民证在互市贸易区内与朝鲜边民进行商品exchange commodities，并享受每人每日价值在8000元人民币以下商品免征import tariff和import linkage ta)的优惠政策。
丹东是中国连接朝鲜半岛的重要城市，也是全国最大的对朝贸易口岸城市，全市有border trade enterprises600多家，对朝贸易占到了全市贸易总额的40%。
请结合文意翻译以下词组及句子：
1、border trade
2、China-DPRK border trade zone
3、exchange commodities
4、import tariff
5、import linkage tax
6、border defense cooperation
7、border trade enterprises
8、A border trade zone between China and the Democratic People's Republic of Korea (DPRK), located in northeast China's Liaoning Province, has been approved, the provincial government announced on July 13.
---------------------------参考答案-------------------------------
1、border trade 互市贸易
2、China-DPRK border trade zone 中朝互市贸易区
3、exchange commodities 交换活动
4、import tariff 进口关税
5、import linkage tax 进口环节税
6、border defense cooperation 边防合作
7、border trade enterprises 边贸企业
8、A border trade zone between China and the Democratic People's Republic of Korea (DPRK), located in northeast China's Liaoning Province, has been approved, the provincial government announced on July 13.辽宁省政府7月13日宣布，已批准在该省设立中朝互市贸易区。
