真正的道路是沿着一条绳子，它不是悬在高处，而是紧贴地面。它似乎更多是为了让人绊倒，而不是让人行走。
The true way is along a rope that is not stretched at any great height but just above the ground. It seems more designed to make people stumble than to be walked upon.
理论实践确实是其自身的标准，并且包含明确的协议以验证其产品的质量。
Great engineering solves problems you didn't know you had in ways you don't understand.