洛星华 规则原文是这样的： The first railway counter that you build will cost you $1. After that each counter will cost $1 and require one coal and iron cube to be moved to one of the two locations that are to be connected by the railway. 对于“require”这个词的用法不太理解，铁路需要把煤和铁消耗掉么？还是说不用消耗，只要有就行？
