Train fare increases of 15 percent are envisaged for the next year. 预计明年火车票价将会上涨15%。
[ + that ] It's envisaged that building will start at the end of this year. 预计大楼将在今年年底动工。
[ + -ing verb ] When do you envisage finishing the project? 你预计工程什么时候竣工?
[ + question word ] It's hard to envisage how it might happen. 真是难以设想怎么会发生这种事情。