var tasks []task
Britain has become the "most expensive place in the world" to build nuclear power plants, according to a government review of nuclear regulation.
，更多细节参见夫子
BBC波斯語部對官方數據的分析顯示，過去20年，以實質購買力計的家庭年均支出在城市下降1/4，在鄉村幾乎減半。換言之，伊朗人平均比20年前更為貧困。
To discover more fascinating science content, head to bbc.co.uk, search for BBC Inside Science and follow the links to The Open University.