START#POINT 起點#Both 兩者##Flip 反向Highlighted end is wrong selection for startpoint; flip point.加亮的端點為錯誤選定的起點；反向切換點。Okay 確定Highlighted end is Okay for startpoint selection; accept.加亮的端點為正確的起點；接受。Quit 退出Quit from selection process.從選取處理退出。