Liu Xin: Thank you very much. Now could you speak shortly on what you think: Are buses better than cars?
刘欣：非常感谢。现在，请简短说明：你是否认为，公共汽车要比小汽车更好？
Feng Xin: you just mentioned the capacity gap. Can I ask how many people cannot get a ticket home everyday? Have you ever estimated this?
冯欣：刚才您讲到这个运能的缺口，那每天大概有多少人是买不到火车票回家的？这个您有没有估计过？
Feng Xin: How do you test substances that are not specified by law, especially non-edible substances? How do you do that?
冯欣：对于一些没有规定的内容，尤其是非食用物质，你们怎么检测出来呢？
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