亲爱的朋友，我很自豪能给你展示这一套神奇的课程。
My dear friend, I am proud to show you this fantastic course.
他称赞着金缕梅的神奇功效，向来访者展示一套古董剃须刀，双眼炯炯有神。
His eyes twinkle as he praises the properties of witch-hazel and displays a set of antique razors.
神奇的是，他们当时既没有诸如我们今天的建筑计划也没有蓝图，而是依据一套几何学的符号和法则来施工。
Amazingly they worked without architectural plans or drawings as we understand them today. Instead they were guided by a set of codes and principles dictated by the art of geometry.
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