新概念英语第一册单词第89课：待售 believe [bi'Ii：v]相信，认为
【派生词】believing确信 believer信徒
【单词扩充】 trust信任，相信 lippen楣信
【单词搭配】believe in信任
【单词例句】
A： I don't believe lus words.
A：我不相信他的话。
B： Why don't we go to see it ourselves?
B：我们为什么不自己去看看呢？
may [me] verb（用于请求许可）能够
howlong 多长
since [sns] prep．自从
【单词搭配】ever since从那时候起
【单词例句】
A： You look as young as ever.
A：你还是跟原来一样年轻。
B： We haven't seen each other for years since our graduation.How have you been?
B：我们毕业后几年没见面了。你过得怎样？
why[wa] adv为什么
sell [sel] v．卖，出售
because[b'kz] 因为
【单词扩充】cause因为owing to因为，因为 on account of因为
【单词搭配】because of因为
【单词例句】
A： Why not eat out together? We've just got paid today.
A：那一块出去吃吧，我们今天刚发工资。
B： But I have to tighten my belt because I need to keepa big family.
B：可我得节省钱，因为我还要养一大家子人呢。
retire [r'ta] 退休
【派生词】retired退休的 retirement退休
【单词搭配】retire from...从……遇休
【单词例句】
A： Bill will retire next year.
A：比尔明年退休。
B： Who will take his place?
B：谁将接替他的位置？
cost [kost]v花费
【单词例句】
A：How much is this pen?
A：这支钢笔多少钱？
B： It's very cheap; it will cost you only eighty yuan． B：很便宜，只要80元。
pound [pand] n.英镑 ( ~)
worth [wθ] 值……钱
【派生词】worthwhile值得的
【单词搭配】be worth doing值得做
【单词例句】
A： Actually, it is not expensive, It is worth the price. A：事实上一点儿也不贵，物有所值。
B： Do you mean you will take it?
B：您的意思是您买下了？
penny ['pen] 便士
