he always pays the waiter for tips.
xiaofan took me to heidelberg to see the castle castle in the mountains.
dongshan took.i went to paris to make an unforgettable explanation.
在这里我要谢谢孩子们的盛情款待，并且感谢他们的导游跟解说，并且写下他们的名字:dongshan跟xiaofan liu
here i would like to thank the children for their hospitality， and thanks to their guide and commentary， and write down their names: dong shan and xiaofanlium.