advantages it can draw customers attention so the customers can buy their products . producers can make profit to satisfy their demands and our customers can seem to be generous . what's more it can help to let the economy grow fast

o（∩_∩）o 希望能帮助到你，

o（∩_∩）o ★★★★★请及时给予好评或采纳，万分感谢！ （*^__^*）