He added that the department attempts to keep the data local to reduce the possibility that it could be shared.

他补充说，该部门试图将数据保存在本地，以降低共享数据的可能性。

Without better local data, local policymakers have frustratingly limited insight and global projections are full of uncertainty.

如果没有更好的当地数据，当地政策制定者的洞察力就非常有限，而全球预测也充满不确定性。