first , we should be polite and friendly to everyone,and we shouldn't say the impolite words to others . because as a volunteer , our words stand for our country's behaviors.
Second, we should do our works wholeheartedly. and we should know what responsbilities we have . so that, we will do everything we can to help others.
Third, we can tell chinese atient stories and chinese troditional history to the foriengers. in this way , we can make our cultures more widely known by the people from all over the world.
Finally , the most important thing is that we shouldn't say the words which is bad for our mother country.