求翻译：If at any time during the existence of this contract either party is unable to perform whole or in part any obligation under this contract, because of war, hostility, military operation of any character, civil commotions, sabotage, quarantine restriction, acts of Government, fire, floods, explosions, epidemics, strikes or other labour trouble, embargoes, and any other matter beyond human control/capability, then the date of any obligation shall be postponed during the time when such circumstances are operative.是什么意思？

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