This is the 3923rd most frequent Chinese word.
中國內
"China's interior" or "within China."
Here, '中國內' means 'within China' or 'inside China', describing the location where the landscapes are found.
中國內有許多美麗的風景。
Within China, there are many beautiful landscapes.
In this sentence, '中國內' specifies the geographical area where the product is being sold, indicating its market restriction.
這項產品僅限於中國內銷售。
This product is restricted to sales within China.
Here, '中國內' functions similarly to 'inside China', denoting the area where the activities are organized.