【简答题】完成表格(注意:一空可填多词) In 30 years from now, what will we cat? Will the food still, be the same as it is now? The United Nations says that there will be over 9 billion people in the world by 2050. Our food n...
【简答题】Apart from buying a few items that will help him/ her look like a native, what else is a solo traveler supposed to do in order to blend in with the local surroundings?