translation.en: I will do so with the help of words, of course, but also a geometrical shape, the circle, so throughout my talk, you will come across several circles.
translation.zh: 我不仅会借助一些词汇，当然， 还会借助一些几何图形，圆形。 因此在我的整个演讲中， 大家会看到一些圆形。