When working, one should concentrate and not allow oneself to be distracted.

工作时要集中精力， 不要分心。

《新英汉大辞典》

The reader should concentrate on the social, economic Angle.

读者应该从社会和经济角度来审视。

youdao

Without kowtowing, you should concentrate on doing your own job well.

不用拍马屁，你应该专心把自己的工作做好。

youdao

The reader should concentrate on the social, economic angle."

读者应该从社会和经济角度来审视“

耶鲁公开课 - 1945年后的美国小说课程节选

Portfolio investors in Europe should concentrate on such areas as consumer staples, healthcare and banks.

FORBES: Bargain bourses

Prime Minister David Cameron said the EU should concentrate on tightening up banks in other ways.

BBC: EU agrees to cap bankers' bonuses

They said the assembly should concentrate purely on the formation of a power-sharing executive.

BBC: NEWS | UK | Northern Ireland | Preparations for 'virtual assembly'