英语 ⇄ 俄语 +

earnest payment 强调
一般	обеспечительный платёж (an earnest payment (sometimes called earnest money or simply earnest, or alternatively a good-faith deposit) is a deposit towards the purchase of real estate or publicly tendered government contract made by a buyer or registered contractor to demonstrate that he/she is serious (earnest) about wanting to complete the purchase.. wiki Alexander Demidov)
经济	задаток (wikipedia.org Denis Lebedev)
财政	денежный задаток (Inchionette)