At present, the level of the margin is set up to confirm according to the value of the contract at present in our country (generally certain proportion of the value of contract).

我国目前保证金水平设置都是按合约价值确定（一般为合约价值的一定比例）；

youdao

At present, the level of the margin is set up to confirm according to the value of the contract at present in our country (generally certain proportion of the value of contract).

我国目前保证金水平设置都是按合约价值确定（一般为合约价值的一定比例）；

youdao