您要查找的是不是：
- Why isn’t a filename Undo provided? 为什么不提供文件名撤销呢?
- Painting isn' t her strong point. 绘画非她的特长。
- You may have a passion for her, but it isn' t love. 你也许对她怀有强烈的爱,但这不是爱情。
- He isn' t particularly clever but industrious. 他并不特别聪明,但很勤奋。
- There isn' t enough room for all the furniture. 没有足够的地方放置全部家具。
- She isn' t really ill ; it' s only pretence. 她并非真的有病,只是装出来的。
- Cheer up ! The news isn' t too bad. 振作起来吧!消息还不算太坏。
- He isn' t anything like my first boss. 他一点也不像我第一个老板.
- Isn' t this textbook beginning to date ? 这本教材不是已渐渐陈旧了吗?
- My rent isn' t due till Wednesday. 我的租金星期叁才到期.
- I' m afraid your idea isn' t a starter. 恐怕你的想法没有成功的可能。
- Our lazy cat isn' t very helpful in catching mice. 我们的懒猫没有多大用处，它不捉老鼠。
- It isn' t hot ; on the contrary it' s cold. 这（天气）并不热，正相反，它（天气）很冷。
- It isn' t real -- it' s only imaginary. 那不是真的，那只不过是想象出来的罢了。
- Don' t waste the flour ; there isn' t much. 不要浪费面粉，没有多少了。
- It isn' t easy to get a foothold as an actor. 演员要得到巩固的地位不容易。
- Mary' s new boy-friend' s quite a dish, isn' t he ? 玛丽新交的男朋友挺帅的, 是不是?
- Life isn' t all cakes and ale, you know. 要知道生活并非都是吃喝玩乐.
- No, it isn' t better ; it' s worse if anything. 不，与其说更好，还不如说更糟。
- WHY MAGGIE CHANG ISN'T A HOLLYWOOD STAR? 为什么张曼玉不能成为一位好莱坞明星?
