她基于原则不穿皮草。
She doesn't wear fur ___on ___principle.
他们,基于原则从不喝酒,那天晚上却喝醉了。
They, who ___on ___principle never drank alcohol, got drunk that night.
这位律师基于原则拒绝了此案,因为它与她的价值观冲突。
The lawyer declined the case ___on ___principle because it conflicted with her values.