没有。不过你可以仔细观察比较一下
http://www.youtube.com/watch?v=vcTf78b8WfY
http://www.youtube.com/watch?v=NLfK35O91gE
http://www.youtube.com/watch?v=he6TL15pJtw
http://www.youtube.com/watch?v=vcTf78b8WfY
http://www.youtube.com/watch?v=NLfK35O91gE
http://www.youtube.com/watch?v=he6TL15pJtw