We must reduce the production cost.我们必须降低生产成本.(这里cost为名词.)
The car cost him around ten thousand US dollars.这车花去他一万美元左右.(这里cost为及物动词.)
cost无被动.
We must reduce the production cost.我们必须降低生产成本.(这里cost为名词.)
The car cost him around ten thousand US dollars.这车花去他一万美元左右.(这里cost为及物动词.)
cost无被动.