2 Main causes to international settlements 2.1 Visible trade (International trade settlements) 2.2 Invisible trade (International non- trade settlements 经贸学院囯际贸易系 王学惠◎经贸学院国际贸易系 王学惠© 2. Main causes to international settlements 2.1 Visible trade (International trade settlements) 2.2 Invisible trade (International non￾trade settlements)