Telegraph lines presented a similar economic challenge-high start-up capital and low marginal operating costs.
电报线路提供了类似的经济挑战——很高的启动资本和很低的边际运营成本。
Because of different costs of capital, equity financing and debt financing must satisfy their own required levels of marginal capital output.
由于资本成本高低不同，权益筹资和债务筹资必须符合不同的边际资本产出水平条件。
Because of different costs of capital, equity financing and debt financing must satisfy their own required levels of marginal capital output.
由于资本成本高低不同，权益筹资和债务筹资必须符合不同的边际资本产出水平条件。
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