大大减少成本英语

Its appearance decreased(reduced) the expense(cost) greatly.希望能帮到你

供参考minimize the cost(s)注minimize 减至最低程度

decrease the prime cost to the maximum extent

cost savings/cost reduction 成本节约 名词短语。Save cost. 动词短语。

its advent largely decreased the expense.

“降低成本” 可以翻译如下：〔动词短语〕cut the cost、、lower production costs、reduce production costs〔名词短语〕cost down、cost reduction

Its coming into use has greatly reduced the cost 【希望帮助到你，若有疑问，可以追问~~~祝你学习进步，更上一层楼！(*^__^*)】