Derivatives model an unknown price from today's known market prices.

衍生品试图以今天已知的市场价格为基础推导出一个未知的价格。

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An Infantino spokesman said 10, 000 of the recalled slings had been sold to the UK market, although an unknown number could still be in stores.

Infantino的一位发言人说，从英国市场召回的背巾已有一万条，不过可能还有部分背巾作为库存并未售出，数量尚不明确。

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Last weekit filed a suit against unknown investors who had profited in theoptions market before the announcement of a takeover of TXU, the Texanutility.

上周它冻结了一些匿名投资者500万美元利润并提起了诉讼，原因是他们在德州事业（证券代码TXU）被收购的消息发布前，通过期权市场进行套利活动。

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At the end, a Lean Startup is an organization that develops an unknown products in an unknown market, towards unknown customers.

FORBES: Do You Have A Big Corp? Reinvent It As A Lean Startup

There are voices all over, from the biggest investment banks and celebrated market timers to virtually unknown bloggers, all speculating on when a market correction might arrive.

FORBES: Market Correction Calls Are Wasted Time

Some potential unknown market that Jobs would have pulled out of thin air will now never happen.

FORBES: Apple Without Steve Jobs