Khái niệm xuất nhập khẩu như sau: xuất nhập khẩu là hoạt động mua bán hàng hóa của các doanh nghiệp trong nước với các doanh nghiệp nước ngoài thông qua các hợp đồng mua bán hàng hóa.
The concept of import and export as follows: import and export activity is the sale of goods of domestic enterprises with foreign businesses through the sales of the goods.
The concept of import and export as follows: export as commodities trading activities of local firms with foreign enterprises through the contract of sale of goods.
Import and export concepts are as follows: import and export goods trading is the activities of domestic enterprises and foreign enterprises through the contract to buy goods.