This is the 11148th most frequent Catalan word.
sustentarà
"Sustentarà" means "will sustain" or "will support."
In this sentence, 'sustentarà' conveys the meaning of physical support, specifically how the bridge will maintain its structure thanks to the pillars.
El pont es sustentarà en pilars de formigó.
The bridge will be supported by concrete pillars.
Here, 'sustentarà' is used metaphorically to indicate that the economy relies on or is supported by tourism as a foundational aspect.
L'economia del país es sustentarà en el turisme.
The country's economy will be based on tourism.
In this instance, 'sustentarà' refers to providing logical or evidential support to a claim or hypothesis, demonstrating its validity.