It is such tremendous trifles, not the climbing of mountains and the bridging of chasms, that make the transcontinental line one of the wonders of the ages. 佚名.神奇的知识之书.
Four bridges had to be built across bayous, two of them each over six hundred feet long, making about two thousand feet of bridging in all. 尤利西斯·格兰特.U.S.格兰特的个人回忆录.