Trade deficit = import-export; When the trade deficit is realized, the import amount = (total import and export+trade surplus) /2, and the export amount = (total import and export-trade surplus) /2.

Trade deficit is also called "trade surplus" and "trade deficit". The phenomenon that the import value of each country or region exceeds the export value in a certain period generally indicates that a country's foreign trade is in a relatively unfavorable position; It is an important indicator to judge the macro-economic operation.