5月19日，交易员卖出10份6月份标准普尔500指数期货合约，价格为98.25。一周后，标准普尔500指数期货合约价格为97.75，该交易员进行对冲平仓。其损益为（已知标普500期货合约交易单位为250美元*指数）

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TranslatethesentenceintoChinese.Ican'tagreemore.

TranslatethesentenceintoChinese.Weallneedprivatespace.

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中国古代四大发明包括火药、指南针、造纸术、印刷术。

What'sthemeaningoftheword"friendly"?

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Amyusuallygetsup()6:30inthemorning?

Myparentsarebothwiththeirwork..

what'sthemeaningof"skill"?

what'sthemeaningof"becrazyabout"?