保证金交易交存一定保证金不支付全部货款的交易保证金信用交易交易保证金按金交易垫头交易保证金买卖
Margin trading refers to the deposit of a certain amount of margin without paying the full amount of the purchase price. Credit trading involves margin trading. Margin trading is margin trading
以上为机器翻译结果，长、整句建议使用 人工翻译 。