Say that the money given to the other party is temporarily in the hands of the other party(ba song gei dui fang de qian shuo cheng shi zan cun zai dui fang shou li de )

You can say, "I know that we don't need money to do business between us, but if we need to do some business, we won't rush to get the money from me now - so, the money will be put to you first, and you can use it when you use it. If you can't use it, you can give it to me later, won't it?"

Chinese PinYin : Ba Song Gei Dui Fang De Qian Shuo Cheng Shi Zan Cun Zai Dui Fang Shou Li De