Because the original Routemaster bus that some of you may be familiar with, which had this open platform at the back -- in fact, I think all our Routemasters are here in California now actually.
因为原本的双层巴士 你们有些可能会熟悉 是在后方有个开放式站台的-- 实际上，我觉得我们所有的双层巴士 现在都在加利福尼亚了