great improvement

• 很大改进

great improvement的用法和样例：

例句

1. If word were invented to conceal think, newspaper should be a great improvement on a bad invention.
   假使语言是为了隐藏思想而被发明的，那么报纸就是对这不良发明的一大改进。
2. If words were invented to conceal thought, newspapers are a great improvement on a bad invention.
   假使语言是为了隐藏思想而被发明的，那么报纸就是对这不良发明的一大改进。