The answer on the first floor is correct. The trade deficit means that imports exceed exports. As we all know, South Africa is rich in ore reserves and exports a lot every year. South Africa's ore exports are mostly raw ore exports, with low added value, and domestic industries have not started. Most manufactured goods need to be imported, and these manufactured goods are high value-added goods, thus causing the trade deficit. For a country, only a certain trade surplus can obtain funds from abroad, expand exports and realize a virtuous circle of domestic industries.