Predictions of the collapse of the tropical rain forests have been around for years.
				出自-2013年6月阅读原文
				I am responsible for financial development programs in many parts of the world, so forecasting long range trends and making predictions on the basis of present evidence is what I do.
				出自-2013年6月听力原文
				Both of these things are also about making long-term predictions on the basis of present evidence
				出自-2013年6月听力原文