用英语回答：What is the biggest problem China faces

用英语回答：What is the biggest problem China faces What is the biggest problem China faces? What is the biggest economic problem China faces?对这个话题进行展开!1 求一篇用英文回答的"What's the biggest problem in China?" What is the biggest city in China 请用英语解答问题what is your biggest problem when learning English,a 用英语解答what is your biggest problem when learning English,and 高手请进!请回答问题,用英语,讲得越清楚越好What is the biggest decision you have what do you think is the biggest problem与what do you think"a What is the biggest city of Australia?用英文怎么回答 what is the biggest problem a teenager has?a teenager has前边为 what is your biggest problem when learning English,and what