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。 They have sent me many "goodies" like that over the years I have been a person listed here (but I'm absolutely not an "worker" - I've in no way even been a moderator on any SO website). In my (US) English, I do not distinguish concerning "Chi