arbitrarily small domain

例句：

1. 1.He decided to go to the beach arbitrarily.
   他决定随意去海滩。
2. 2. The decision was made arbitrarily by the manager.
   这个决定是由经理随意做出的。
3. 3. She arbitrarily chose her outfit for the party.
   她随意为派对选择了衣服。