威尔克斯说：“尽管有些可再生能源的利用还存在技术屏障，但事实证明风能技术已具备竞争力。”
"There are technological barriers for some renewables, but in wind we have proven technology that delivers competitively," says Wilkes.
因为我是压轴的主旨演讲人，本来我还担心听众会过于疲劳，注意力下降，但事实证明我是多虑了。
Since I was the closing keynote speaker, I had some slight concern about audience fatigue and attention levels at that stage in the day, which turned out to be misplaced.
事实证明，印度尼西亚并没有同其邻国一样遭到全球经济危机的重创，并且在今年上半年其经济还增长了4.2%。
Indonesia has proved to be less exposed to the global recession than many of its neighbours, and its economy expanded by 4.2% year on year in the first half of 2009.
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