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，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。 syn: custom, routine, observe imply a longtime technique for executing items. custom, placed on a Group or to somebody, indicates a kind of long lasting way of performing bolstered by custom and social attitudes: the custom of giving presents at Christm... https://davidq938qhs9.newbigblog.com/profile