This is the 131st most frequent Chinese word.
全国
"Nationwide" or "the whole country."
In this sentence, '全国' means 'the whole country', emphasizing nationwide extent.
全国各地的人们都在庆祝这个节日。
People from across the entire country are celebrating this festival.
'全国' emphasizes country-wide implementation of the policy in this context.
这项政策将在全国范围内实施。
This policy will be implemented nationwide.
Here, '全国' indicates that the restaurant chain operates throughout the entire country.