For exchanges that may not be an "equal" swap, users can barter an extra amount of cash to make the trade equal.

由于交换可能是不等价的，用户可以额外收取一定的费用以使交易公平。

youdao

For exchanges that may not be an "equal" swap, users can barter an extra amount of cash to make the trade equal.

由于交换可能是不等价的，用户可以额外收取一定的费用以使交易公平。

youdao