The United States is a major country issuing international currency, any instability in the value of the us currency is a big cause for concern for us.

美国作为国际货币的主要发行国，币值的不稳定引起我们很大的忧虑。

youdao

The United States is an issuing country of a major reserve currency. Any fluctuation of the value in the us currency is a big cause for concern for us.

美国作为国际货币的主要发行国，币值的不稳定引起我们很大的忧虑。

youdao

Heart disease is still a major health concern for Americans and those in other developed nations - it is actually the number one cause of death around the world.

心脏病仍然是美国和其他发达国家的主要健康问题——实际上是全球头号致死原因。

youdao

Chief inspector Sir Michael Wilshaw said the figures were "a major cause for concern".

BBC: England

In the wake of the Mid-Staffs scandal, 14 English Trusts are under investigation after their mortality rates showed a major cause for concern.

BBC: RAMI: Ropey And Muddled Information?

In a speech to the Royal United Services Institute just before Christmas, Sir David spoke of Mali as being a major cause for concern along with Yemen.

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