55. Ahead of更前，更早

54. look on…as把…看作…

53. drive off开走，击退

52. tongue twister绕口令

a) be on good terms (with sb.)关系好

51. make use of利用

50. Point out指出

49. bring in引进，赚钱

a) year after year年复一年

48. in/under favorable conditions在有利形势下

47. on condition that….如果，条件是

46. out of condition身体不好