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 specific understanding of what constitutes staying old may possibly vary dependant upon the context and the subject matter concerned.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。知乎，�