What defines a tuxedo cat? Can certain breeds classify as tuxedos? Does the pattern should be black and white, or can other colors even be regarded as tuxedos? 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。 Persian dialects From the 19th century, beneath the Qajar dynasty, the dialect that's spoken in Tehran rose to prominence. https://devinlgviw.activablog.com/35285146/5-essential-elements-for-persian