It has been announced that the Joint Chiefs of Staff will meet the next week.

【专家解说】：我觉得应该把the next week改成next week，或者在the 的前面加一个at/in。 因为直接一个the next week，通常放在过去时态的句子和短文中，表示第二周。 或者是直接说It is announced，为什么要用现在完成时呢？