由于人们认为气候的变化会促进核能的发展前景，现在铀已经是供不应求，而且对铀的投机性购买已使铀价格从2003年的一磅10美元涨到85美元。
As concern over climate change improves the prospects for nuclear power, uranium demand has outpaced supply and speculative buying has forced the price up to $85 per pound, from $10 in 2003.
互联网技术的飞速发展，加上该行业独特的杠杆效应，越来越多的个人投资者怀着投机的目的参与外汇投机交易。
With the advances in Internet technology, plus the industry's unique leveraging options, more and more individual traders are getting involved in the market for the purposes of speculation.
近年来，期权作为一种防范风险或投机的有效手段得到了迅猛发展。
In recent years, as an effective method to avoid risk or speculation have rapid development.
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