If you have dinner with people in the west, I think you must pay more attention to the table manners. Here are some good table manners for you.
     When you eat something, try not to make a noise or burp (打嗝) at the table. Because people think that is not polite. People will say “Excuse me” when they want to burp.
      Talking with food in the mouth is very rude. So you must eat the food quietly and slowly. If you eat too fast, people think you are rude too. Do not talk with others when you have food in your mouth.
      It is good to eat all the food on your plate. This means you like the food very much. Remember to say the food is nice. And this can make the host very happy. When you finish eating, you can place your knife and fork together.

(2015•山东）近年来，在我国与越南，新加坡、俄罗斯等国家的贸易中，使用人民币评价、结算的业务量不断上升，从2010年的0.51万亿元上升到2014 年的6.55万亿元。对外贸易中使用人民币计价、结算，有助于（   ）