That said / Mind you / But
Used to introduce an important qualification or exception to what was just said. Adds a 'but' without using pero. Very natural in everyday speech.
You can come. Mind you, you have to let us know in advance.
The flat is small. That said, it's very well located.
—Did you like it? —That said, the food was incredible.
It's not easy, however, it's possible.
I like the job, but the schedule is bad.