That's How it is on their official website. Am I right hinein saying that they are not native English speakers? 知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 the lyrics of a well-known song by the Swedish group ABBA (too bad not to be able to reproduce here the mirror writing of the second "B" https://youtu.be/T0zWXvhEQwo?si=wNc6ihu97ShtIl7u