The more advanced bring along the less advanced.

先进带后进。

《新英汉大辞典》

The less advanced strives to catch up with the more advanced.

后进赶先进。

《新英汉大辞典》

His work on new varieties of corn is less advanced.

他的玉米新品种工作进展不是很大。

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Some people in less-developed countries feel uncomfortable that they are just slavishly copying other, more advanced countries; but, they have to recognize that is what everybody has been doing all along.

欠发达国家的人,对他们模仿其他发达国家的理论发明，感到不安;,但是他们应该知道,大家一直都在这么做。

耶鲁公开课 - 金融市场课程节选

The Afghan Air Force is far less advanced than the Soviet-trained force was at a similar moment.

NEWYORKER: After America

Teams with less advanced algorithms, however, can still be expected to cause a fair amount of havoc.

FORBES: Dude, Where's My Driver?

Game-changing technologies like NPWT may be at a disadvantage versus less advanced products simply because of cost.

FORBES: American Soldiers Deserve Cutting-Edge Health Care