The sentence "The more activities that visitors undertake, the more satisfied they will be" uses a parallel comparative structure. This structure emphasizes that an increase in one element leads to an increase in another.

Breakdown of the Structure:

1. The More... - The sentence begins with "The more activities that visitors undertake," which sets up a comparison. Here, "the more" indicates a quantity (more activities). This part is the dependent clause.


2. Comma Separator - A comma separates the two clauses for clarity, especially in complex sentences.


3. The More... (again) - The second clause, "the more satisfied they will be," mirrors the first clause but refers to satisfaction. This indicates a correlation between activities and satisfaction.

Meaning:

This structure is used to convey that as the quantity or intensity of the first part ("the more activities") increases, the second part ("the more satisfied") also increases.

Examples:

"The harder you work, the more successful you will be."

"The longer you wait, the worse it gets."


This pattern allows for expressing cause-and-effect or proportional relationships in English.