Questions & Answers about Tiu solvo estas bona por ni.
In Esperanto, tiu is a demonstrative adjective/pronoun used with a noun, like tiu solvo = that solution.
Tio is a stand‑alone pronoun and cannot directly modify a noun, so tio solvo is wrong; you would say tio estas bona solvo (that is a good solution).
Ĉi tiu solvo means this solution (here) and adds a feeling of physical or conceptual closeness. In many contexts you don’t need to emphasize “this” vs “that”, so simple tiu solvo is enough and is very common.
The word tiu already makes the noun specific: tiu solvo literally means that solution (a particular one). Because tiu is a determiner, you normally don’t add la as well; la tiu solvo is ungrammatical in standard Esperanto.
If you want the solution without pointing to it as “this/that one”, you could say:
- La solvo estas bona por ni. – The solution is good for us.
Por basically means for, especially in the sense of: