International market oil price keeps running under high price level, the price margin of inferior crude oil and high-quality crude oil increases.
国际原油持续在高价位下运行，劣质原油与优质原油的价差拉大。
The future margin which is a guarantee of performing the future contract plays very important roll in keeping the future market running healthily.
期货交易保证金作为期货合约履约保证，在保障期货市场正常运行过程中发挥了重要作用。
The future margin which is a guarantee of performing the future contract plays very important roll in keeping the future market running healthily.
期货交易保证金作为期货合约履约保证，在保障期货市场正常运行过程中发挥了重要作用。
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