letter of sympathy的用法和樣例：
例句
- They received many letters of sympathy from well-wishers.
他們收到許多來信，寄信人向他們表示同情和祝福。 - I thought his mother had died, but fortunately I met someone who'd actually seen her that morning in the hospital and he set me right before I sent off my letter of sympathy.
我以為他母親已去世，幸虧在我寄出弔唁信之前，我碰到了一個那天上午還在醫院裡見過她母親的人，他使我避免了這場誤會。
