“广大的”用英语怎么说？

合作医疗已经有了广大的发展.There is already an extensive cooperative medical service.他的教诲在广大的普通读者心中留下了深刻的印象.His teaching left a deep mark upon the great mass of average readers.在国内,广大的选民浮躁不安,旁徨而无所适从.In the country the vast electorate...