costThe ticket cost me ten dollars
（此句中 cost 用作及物动词,意为“花费”,这是 cost 的常用法之一
）The cost of living is much higher now than it was two years ago
（此句中cost 用作名词,意为“价格,成本,费用”,这是它的常用法之二
）cost 除了以上用法外,还有其它用法
如:① Has this project been costed
(cost 用作及物动词,意为“估价,估计成本”
)② I must get the book at all costs
(at all costs 意为“无论如何,不惜任何代价”
)③ She saved him from drowning, but at the cost of her own life
(at the cost of sth
意为“以牺牲某事物为代价”
dealTeachers should deal fairly with their pupils
（此句中 deal 用作不及物动词,常和 with 连用,意为“对待”,这是 deal 的常用法
）deal 还有其它用法
如:①She spent a good deal of money on new clothes
(a good deal of 意为“很多,大量”后接不可数名词
)②We tried to make sure everyone got a fair deal
(a fair deal 意为“公平的待遇”
)③My bank deals in stocks and shares now
(deal in 意为“经营”
)④The teacher dealt out the test papers to th
