买卖期货合约或期权的亏蚀风险可以极大。
The risk of loss in trading futures contracts or options is substantial.
经纪公司通过代理买卖期货合约而收取的费用。
The charge made by a commission house for buying and selling commodities.
指代客户买卖期货合约的公司，其收入主要来自服务佣金，是一种期货市场用语。
It refers to a firm which buys or sells futures. The main income of this company comes from commission. It is the term used in futures market.
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