Come to think of it, George did seem a bit depressed yesterday.说起来，乔治昨天好像有点沮丧。Come to think of it, he did mention going to Toulouse.我想起来了，他确实说过去图卢兹。I love getting her letters. Come to think of it, I haven't had one for a while.我非常喜欢收到她的来信。想起来了，已经有一段时间没收到了。