Is it okay to not hang curtains on the windows in Feng Shui?

Using a scientific attitude to analyze, the so-called Feng Shui actually means coordination and harmony. A window is also called a window. It is not only a window for external observation, but also a platform for the outside world to observe indoors. Indoors involve privacy in family life (such as changing clothes). Therefore, from the perspective of protecting privacy, curtains should be hung on windows to ensure indoor safety. feel.