Scientific work is differentiated from art by its necessary connection with the idea of progress.
科学工作不同于艺术在于它与进步的概念有必然联系。
In the rich world the idea of progress has become impoverished.
在一个富裕的世界，关于进步的观念则变得贫困。
Also, the idea of progress and its enthusiastic propagation may have some effect.
还有，进步观念及其热烈宣传也会产生某种效果。
The idea of progress forms the backdrop to a society.
关于进步的观念形成了一个社会的大背景。
The idea of progress forms the backdrop to a society.
关于进步的观念形成了一个社会的大背景。
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