| 歌曲 | Chapter02-61 |
| 歌手 | 英语听力 |
| 专辑 | BEC主题词汇随身记 |
| The difference in price between the two markets was reduced by arbitrage. | |
| 套利活动使两个市场间的差价缩小。 |
| The difference in price between the two markets was reduced by arbitrage. | |
| tào lì huó dòng shǐ liǎng gè shì chǎng jiān de chā jià suō xiǎo. |