You know what they say: 'variety is the spice of life'. [=life is more interesting and enjoyable when you do different things]
The talks covered a wide/great 'variety of' topics. [=the talks covered many different topics]
I was surprised by the 'variety' of the choices that were available.
(..) again be my adviser. Go on... Yes, sir. I'd call it supply-and-demand methodology. A panel of voters is consulted on a variety of subjects. Data is collated and analyzed. Day after day we map out people's tendencies... preoccupations, desires. It serves to adjust the (..)2016 Me Before You