It is universally acknowledged that it is the doctor's duty and obligation to heal the wounded and rescue the dying.

全世界都知道救死扶伤是医生的天职。

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The rich had previously agreed to provide assistance for clean energy and other purposes but had not acknowledged an obligation for fixing the changing climate.

FORBES: China Demands U.S. Taxpayers Clean Up Its Air

Spain's prime minister has also acknowledged the "historic obligation" of EU enlargement.

CNN: Jose Maria Aznar