translation.en: This little relief on the footplate, by the way, to a rider means there's something going on underneath it -- in this case, a drive chain running at 300 miles and hour probably, taking the power from the engine.
translation.zh: 这个供驾驶者使用的踏脚的敞开式设计 指示其背后的秘密－ 这里，它的链条在引擎支持下 大概每小时跑上300公里 当我看到它想到这些