1. Beautiful pronunciation: The pronunciations of Zhou Zixin and Zhou Ziyu are relatively simple and clear, and there are not many complicated syllables and pinyin combinations, so they are both easier to pronounce and remember.
2. Beautiful phonology: The syllable combinations of Zhou Zixin and Zhou Ziyu are relatively harmonious, which conforms to the law of beautiful phonology in Chinese. Among them, Zhou Zixin's word "Xin" is relatively rare, so to some people, this name is more unique and aesthetic.