settle on 决定，选定
Members, however, didn't settle on how big it should be or how to structure it.
然而，美联储成员并未决定这一计划应该有怎样的规模，或是如何来构建这一计划。
So I settled on daytime casual.
所以我就穿平时的便装出来了

figure out计算出，解决; 弄明白; 合计
Look, we have to figure out how to get through this.
听好 我们得好好探讨一下
Can you figure out what they are?
你能弄清楚它们是什么吗？