vary between

vary between (someone and someone else)

 and vary between something and something elseto fluctuate in choosing between people or things. In choosing a bridge partner, Sam varied between Tom and Wally. I varied between chocolate and vanilla cake for dessert.See also: between, vary

vary between (something and something else)

to fluctuate between one thing and another. The daytime temperatures vary between 80 and 90 degrees. She varies between angry and happy.See also: between, vary