Because the joint had outlived the nine years the doctor had predicted it would last, Yen knew it might have worn down. Yet she bore great pain, not seeking proper treatment until bringing her students safely home.
顏美玲心知右腿人工關節已過了醫生預估的九年期限，可能已經磨損了，但她依然忍著巨痛，直到學生上完課、把大家平安帶回國內才去就醫。