Questions & Answers about Quiero un vestido así.
In Spanish, the subject pronoun is often omitted because the verb ending already shows who is doing the action.
- quiero = I want
- The -o ending tells you it is I
So Quiero un vestido así is completely natural. You can say Yo quiero un vestido así, but yo is usually only added for emphasis, contrast, or clarity.
- Quiero un vestido así. = neutral
- Yo quiero un vestido así, no ese. = I want a dress like this, not that one