chooser

n.

选择者，选举人；选择器；

1. I would have preferred a bed, but beggars can't be choosers so I slept on the sofa.
   我本想要张床，但是叫花子不能挑肥拣瘦，所以我就睡在沙发上了。
2. Beggar cannot be chooser.
   乞丐不可挑剔。

American chooser options
The Chooser-Picker 7-in-a-row-game
The autonomous chooser and ‘Reforms’ in education
On the complexity of Chooser-Picker positional games
Scenario Chooser: An interactive approach to eliciting public landscape preferences
The relations between the status of chooser and chosen in a sociometric situation at the grade school level
When the user is not the chooser: stakeholder involvement in innovation adoption and implementation for addressing HCAIS
When the user is not the chooser: learning from stakeholder involvement in technology adoption decisions in infection control
DISPLAY SYSTEM AND METHOD FOR DISPLAYING A MULTI-DIMENSIONAL FILE VISUALIZER AND CHOOSER
102. Predictive vegetation mapping using a custom built model-chooser: comparison of Regression Tree Analysis and Multivariate Adapt...