It emerges with the impact of novel conditions on historical custom; it really is transformed into another team of usages by cultural improve. 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。 b : lengthy-established observe considered as unwritten legislation c : repeated practice Custom would make all items effortless. , even though some villages also https://mikhailn419chk1.wikipresses.com/user