大幅度的英文：
by a wide margin
substantial

参考例句：

Hike up the price of luxury goods.
大幅度地提高奢侈品价格。

The team also expects a sharp increase in the sale of tickets, jerseys and merchandise
球队还期望门票、球衣和商品的销售额大幅度攀升。

The handsome markup to 95 could be worthless, since nobody would be paying it to the cartel.
这种大幅度提价到95美元是不可取的，因为没有人会付给卡特尔这样高的价格。

To rise by a big margin
大幅度增长

An impressive promotion.
大幅度的提升

The impoverished population is shrinking substantially and the impoverishment rate is decreasing sharply
贫困人口大幅度减少，贫困发生率大幅度下降。

Cut or reduce(sth)drastically
大幅度裁减或削减(某物)

Ford decided to cut back drastically.
福特公司决定大幅度裁员。

The government has decided to slash taxes.
政府决定大幅度减税。

Large continuous increase of crops
大幅度持续增产

wide是什么意思：
adj. 宽的；广泛的；完全张开的
adv. 完全地；充分地
n. 歪球

The shop has a wide choice of hats.
那家商店出售各式各样的帽子。

envelope wide-scope
包迹宽带示波器

Microorganisms have a wide taxonomic distribution.
微生物在分类学上的分布是很广泛的。

margin是什么意思：
n. 边缘；利润；余地；页边的空白；差额，差数；极限
v. 加旁注于；加边于

marginal initial
边缘原始细胞[见于植物]

We came to the margin of the wood.
我们来到树林的边缘。

margin release mechanism
极限释放机构

substantial是什么意思：
adj. 大量的；实质的；充实的；结实的；牢固的

to hypostatize; to substantiate
使实体化

This is a substantial building.
这是个坚固的建筑物。

The architecture of this house is very substantial.
这座房子的结构很牢固。