Foreign currency depreciation is a result of economic depression in the country concerned.

外汇贬值是有关国家经济不景气的结果。

《新英汉大辞典》

The Purchaser shall at the request of the Supplier assist him in taking any measures necessary to protect the Supplier's title to the Product in the country concerned.

买方应当根据卖方要求，协助其采取措施，保护卖方在相关国的货物所有权。

youdao

The Purchaser shall at the request of the Contractor assist him in taking any measures necessary to protect the Contractor's title to the Plant in the country concerned.

买方应当应承包方要求，协助其采取必要措施，保护承包方在相关国的货物所有权。

youdao

And the events of the past couple of days do not really improve confidence in the country and therefore foreign investors are very concerned."

VOA: standard.2010.02.26

Choose to illustrate things that are unique to the country concerned and not something people can do at home.

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They will then liaise with the police in the country concerned.

BBC: NEWS | UK | Policing the net

Last comes the question of whether the country concerned also has some solid practical reason for getting involved in what goes on outside its frontiers.

ECONOMIST: THE NEXT BALANCE OF POWER