斯密与李嘉图的古典经济学the classical economics of Smith and Ricardo后来的经济学家在许多方面引申了 李嘉图 的分析.Subsequent writers extended Ricardo's analysis in a number of directions.大卫·李嘉图把土地描述为 “ 土壤固有的不可毁灭的力量 ”.David Ricardo described land as ...
The railroad finally reached Santa Barbara in 1877.铁路终于在1877年修到了圣巴巴拉。Bridges over railroad tracks root danger out in crossing.铁轨上空的天桥排除了穿行中的危险.The railroad connects two cities, namely, New York and Chicago.这条铁路连接两个城市, 即纽...