| 41. | sell sth at a reduction of 30 percent |
| 以7折出售某物
|
| 42. | make up only 20 percent of the total population |
| 仅占总人口的20﹪
|
| 43. | a percent mark |
| 百分比符号（%）
|
| 44. | lessen production costs by 5 percent |
| 降低生产成本5%
|
| 45. | exhibit [show, represent] an increase of 30 percent |
| 增长30%
|
| 46. | increase by 38 percent |
| 增加38%
|
| 47. | a 3 percent economic growth |
| 3%的经济增长
|
| 48. | take 5 percent off the price |
| 减价5%
|
| 49. | an investment paying 5 percent |
| 能获利5％的投资
|
| 50. | 35 percent of the total clip of the region |
| 这一地区全部剪毛量的35%
|