例句：

　　The seat next to him was vacant.

　　他旁邊的座位空著。

　　She had a kind of vacant look on her face.

　　在她臉上有一種茫然的表情。

　　At graduation the students presented each other with valedictory inscriptions.

　　畢業(yè)時同學們互相題詞勉。

　　Rather, your valedictory address should leave former colleagues feeling a warm glow.

　　相反，你的告別演說應該讓以前的同事感受到溫暖的光輝。