他们坚决主张按原定计划引入保证金交易，卖空交易，以及股指期货。
They insist they will go ahead with plans to introduce margin trading, short selling, and futures contracts on share prices.
他们坚决主张按原定计划引入保证金交易，卖空交易，以及股指期货。
They insist they will go ahead with plans to introduce margin trading, short selling, and futures contracts on share prices.
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