10% on the cost 和10% of the cost,如果意思相同的话,有何区别?

10% on the cost 和10% of the cost,如果意思相同的话,有何区别? on the coast 和 of the cost的区别 the cost of live 和the cost of living有什么区别? at the cost of意思 the cost of的意思 at the cost of 和 for the sake of、 on the verge of 分别什么意思啊? the cost of the cost of pat COST OF SALES 和COST 区别 The book cost me 10$.cost要家s吗? at the cost of 和at the expense of的区别 what the cost of ...还是how much the cost of