| 1. | They contribute to the plant's own demise . 它们就能使植物自身死亡。 |
| 2. | A number of factors contribute to this . 对于此总可以归诸于许多因素。 |
| 3. | They contribute to hidden unemployment . 他们属于隐蔽的失业的一部分。 |
| 4. | I could contribute nothing new . 我没什么新的见解可以献丑。 |
| 5. | Everybody contributes his ideas and his strength ... 人人想办法,个个出力量。 |
| 6. | Does smoking contribute to lung cancer ? 吸烟会导致肺癌吗? |
| 7. | Professor has contributed three chapters . 教授已写了3章。 |
| 8. | He learned how our suppliers contributed . 他了解,我们的供应商也是出了大力的。 |
| 9. | They contributed substantially to our success . 他们对我们的成功做出了重大贡献。 |
| 10. | He contributed to various journals . 他为许多期刊撰稿。 |