大幅度增长怎么说？

大幅度增长
rise by a big margin
increase by a wide margin

有较大幅度增长
increase by a fairly big margin

连年大幅度增长
grow by a large margin every year

城乡居民储蓄大幅度增长。
Savings deposits of urban and rural residents rose considerably

increase dramatically/significantly
increase by a large margin

2楼正确

increase in a large scale

increase extensively

其实说法很多拉，光你那个大幅度就n个翻译何况还在带个增长！