一、名词解释:5x4=20分1. Internationaltradeistheexchangeofgoodsandservicesacrossnationalbordersorterritories.2. Generaltradesystemisonthebaseofnationalboundary.Thegeneraltradesystemisinusewhenthestatisticalterritoryofacountrycoincideswithitseconomicterritory.3. TheLeontiefParadoxreferstotheconflictbetweentheconclusionofH-Otheoryandactualcertification.ItwasintroducedbyWassilyLeontiefwhowasthepioneerofinput-outputeconomicsinhisInput-outputEconomicpsublishedin1966.Leontiefresearchedthelaborandcapita