Questions & Answers about Desde luego, puedes venir.
Yes. Desde luego is a very common fixed expression meaning of course, certainly, or sure.
In Desde luego, puedes venir, it adds a reassuring, positive tone: Of course, you can come.
Although the literal pieces are desde = from and luego = later/then, you should learn desde luego as one expression, not by translating each word separately.
The comma separates the introductory expression desde luego from the main clause puedes venir.
This is very common in Spanish when a phrase like desde luego, claro, por supuesto, or sin duda comes at the beginning of a sentence.
So:
- Desde luego, puedes venir. = natural
- Without the comma, it would look less standard in writing
In speech, there is usually a small pause there too.