
Many of us spend half our time wishing for things we could have, if we didn't spend half our time wishing.

1. could have是指可以做但没有做。例:Mary could have married David but she didn't want to. (玛莉本来可以与大卫结婚,但她没有。)
2. 亚历山大·沃尔克特(Alexander Woollcott,1887-1943)为美国杂志《纽约客》(The New Yorker)的评论家、专栏作家。