求一句英语翻译
The rate of saving multiplied by the marginalutility of money should always be equal to the amount by which the total net rate of enjoyment of utility falls short of the maximum possible rate of enjoyment.
答：他们没有在办公室防止"在他的任期之前的"十年忽视详情>>
答：I haven't window molding catalogs on hand. catalogs 产品目录 haven't ~ something ~ o...详情>>
问：head+hand+hardworking=success 什么意思
答：head+hand+hardworking=success 脑+动手+努力工作 = 成功详情>>
