例句與造句

1. The debts incurred during the boom period have led to tougher and retrospective revisions of contracts to providers of renewable energy reducing returns considerably.
2. In 2011, Canada's Fraser Institute annual survey of mining executives reported the DRC's ranking of its mining exploration investment favourability fell from eighth-poorest in 2006 down to second-poorest in 2010, among 45 African, Asian and Latin American countries and 24 jurisdictions in Canada, Australia and the United States, and this was attributed to " the uncertainty created by the nationalization and revision of contracts by the Kabila government ".
3. It's difficult to find revision of contract in a sentence. 用revision of contract造句挺難的