有关Placing的知识

AfriendandIwerestandinginlineatafast-foodrestaurant,waitingtoplaceourorder.Therewasabigsignposted."Nobillslargerthan$20willbeaccepted."我和朋友在一家快餐店排队等着点餐，看到店里贴了张通知：本店不收面值超...