spot cash(money that is paid for something immediately, when it is delivered: Immediate cash payment in a transaction, as opposed to payment at some future time.
: We will pay spot cash for your used car.
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down & cash(cash на англииском подразумевает не только наличные деньги но приравнимые к ним инструменты: обеспеченный банком чек, дорожный чек...итд; встречаеться как условие платежа исключающее оплаты в кредит greenuniv)
basis for payment(являться основанием для оплаты – serve as the basis for payment): eg Records that serve as the basis for payment of bills by the special district, including copies of bills paid, copies of checks, invoices, purchase orders and receiving reports, and correspondence with vendors (Colorado 4uzhoj)