A(An) is a document made out by the seller as a supplementary document to the commercial invoice to make up the deficiency of an invoice by giving all the necessaryparticulars of the goods.
【简答题】阅读理解。 One of the easiest ways to keep fit is to do jogging:'Jogging is the name for a very gentle (舒缓的) running- it is just a little faster than walking.' Start slow jog 20 meters, then walk 20 meters...