百年大树，必经多少风霜摧残 百丈高楼，必经多少物力艰辛 百年老店，必经多少兴衰沧桑 百岁老翁，必经多少坎坷考验 An ancient tree survives wind and frost. A skyscraper is raised with money and sweat. An old business has its ups and downs. An old man is teste