And they said, suppose we know we're going to be paired together, I'll choose Beta if you choose Beta. Would that work?

他俩这么商量的,咱俩会被分到一组,你要是选β我也选β,这会成功吗

耶鲁公开课 - 博弈论课程节选

Being a beta in a beta profession, I know that adopting the attitude that it is OK to be a beta is considered subversive.

FORBES: Hipster Tax Has Historical Precedent

They don't know whether they are buying a beta tape or a VHS tape or a DVD and they don't know whether their DVD player will play the DVDs of their neighbor.

FORBES: Sen. Michael B. Enzi, R-Wyo

Then you probably know it's already in beta.

ENGADGET: Steam Big Picture beta hands-on HD