Has been greatly improved 得到了很大的提高
Environment has been greatly improved 环境有了很大的改善
has been greatly changed 发生了很大的变化
Demand for the product has been greatly exaggerated.
对这项产品的需求给过分夸大了。
The supply of raw material has been greatly reinforced.
原料的供应量已大大增加。
应用推荐