Under the new plan, customers would pay $45 bimonthly, instead of $18 a month – a substantial increase.

根据新方案，顾客将每两个月支付$45，而不是每个月$18——一个相当大的增长。

《柯林斯英汉双解大词典》

Although all the signs are that Boravia's economy is now entering a period of sustained strength, the managers of the business do not expect a substantial increase in sales.

尽管所有的迹象都表明博拉维亚的经济正在进入一个持续强劲的时期，但是公司的经理们并不期望销售会有实质性的增长。

youdao

As time went on, there was a substantial increase in seeds from pioneer plants, attesting both to agricultural intensification and to an increasingly disturbed local environment.

随着时间的推移，“先锋植物”的种子大量增加，这是农业集约化和地方环境日益受到干扰的证据。

youdao

The president is considering several options for his revised Afghanistan strategy, including a substantial increase in the number of troops deployed.

VOA: standard.2009.10.26

The agreement would clear the way for a substantial increase of American sales of sophisticated military equipment to India, whose top suppliers are Russia and Israel.

VOA: standard.2009.06.11

The charity has seen a substantial increase in the numbers of people approaching it for accommodation.

BBC: People sleeping on the street

The US intelligence community has received a substantial increase in the volume of threat-related intelligence reports.

BBC: NEWS | Americas | US terror alert: Full text

Its director, John Wadham, claims there will be a substantial increase in the surveillance of phones and e-mail.

ECONOMIST: A snooper��s charter