cost tracing的用法和樣例：
例句
- This might not matter to a sophisticated economist, who would amortise the battery cost over the life of the vehicle.
這也許不會令那些頑固老練的經濟學家感冒，因為他們懂得把電池的成本分攤到汽車的壽命上。 - Power flow tracing is one of the important methods for electrical power transmission cost allocation.
摘要潮流跟蹤演算法是輸電成本分攤的重要方法。
