This is the 9567th most frequent Catalan word.
inverteixin
"Invest" or "turn upside down" (depending on context).
In this instance, "inverteixin" denotes a hypothetical future action in the present subjunctive mode, conditional on another future event.
Quan inverteixin més diners en sanitat, veurem millores.
When they invest more money in healthcare, we will see improvements.
The verb "inverteixin" is used here in the present subjunctive third-person plural form, referring to a suggestion or advice regarding investment.
És important que inverteixin en educació per al futur.
It is important that they invest in education for the future.
Here, "inverteixin" is again in the present subjunctive mood, reflecting a wish or demand for the children to allocate their time thoughtfully.