In that case, purchase order documents with a total price of $100 or more do not need to specify a shipping method because the standard shipping is free for those orders.
在该例中,购买订单文档若总价超过 $100 则不需要指定配送方式,因为对于这种订单是免费配送的。
3
Using standard X -11 method, we analyze seasonal fluctuation of international oil price and discuss its movement discipline, in order to provide information support for importing oil of our country.