Najważniejsze Englisch:

I don't really like the bottom line of this project, I'd prefer to do something more useful.

n radio you have to keep the listener listening. That's the bottom line.

the bottom line is...

Although internal carbon taxing takes money from the bottom line, and thus from shareholders, some big investors support the efforts.

When it comes to the bottom line, I am pleased and satisfied.

But the bottom line is, he did you a favour