词汇	charge by the hour
释义	charge by the hour 按钟点付钱
随便看	marginal cost of control marginal cost of information marginal cost of labor marginal cost of production marginal cost price marginal cost pricing marginal-cost pricing marginal cost pricing in practice marginal cost pricing principles marginal cost pric-ing principles Marginal cost pricing theory marginal costs marginal cost vector marginal coverts marginal credit marginal crest marginal crest, marginal ridge marginal cretinism marginal crevasse marginal criminality marginal crop marginal crop rows marginal cross the border marginal crude oil marginal crushing