| 1. | Please quote our reference when replying . 回信时请注明我方函件编号。 |
| 2. | You should always verify your references . 你要常常校准你的参考资料。 |
| 3. | This card should be kept on file for reference .. 此卡应归档备查。 |
| 4. | Our reference book proved to be insufficient . 我们的参考书显得不够。 |
| 5. | This card should be kept on file for reference .. 此卡应存案备查。 |
| 6. | These reference books are necessary to us . 这些参考书是我们所必需的。 |
| 7. | They sometimes made short references to india . 他们偶尔谈谈印度。 |
| 8. | This card should be kept on file for reference .. 此卡应归档备查。 |
| 9. | There is constant reference to blood in plays . 剧本里经常提到血。 |
| 10. | This card should be kept on file for reference . 此卡应存档备查。 |