| 1. | To be tonal, music must be based on a scale .
为了做到有调性，音乐必须以一个音阶为基础。 |
| 2. | The speculation must be based upon sound scientific principles .
推测必须以可靠的科学原理为基础。 |
| 3. | The novelist must look on humanity without partiality or prejudice .
小说家必须以无偏私无成见的眼光去看待人类。 |
| 4. | The slopes can be made quite steep, but the peak transmission will decrease accordingly .
欲使两侧的斜度很陡，则必须以损失峰值透射率为代价。 |
| 5. | In analysing marx's sociology, therefore, it is important to begin with marx's own starting point .
因此，在分析马克思的社会学时必须以马克思的出发点为出发点，这一点至关重要。 |
| 6. | We must make benefits of our scientific advances for the improvement and growth of underdeveloped areas .
为了尚未开发地区的改善和发展，我们必须以我们的科学进步向他们提供援助。 |
| 7. | He who would have the secret of a strengthening intoxication must court the clouds of the south-west with a lover's blood .
谁想感受强有力的陶醉，他就必须以情人般的热情去爱恋西南方的云。 |
| 8. | We must somehow learn to know our community and its affairs in the same intimate way in which we knew them in the country villages .
我们必须以了解乡村的熟悉方法来了解我们的社区及社会事务。 |
| 9. | The treasury issued an order stating that henceforth land purchased from the government had to be paid for in gold and silver .
财政部发布一项命令说，从即日起，向政府购买土地必须以金、银支付。 |
| 10. | He must have all edward's virtues, and his person and manners must ornament his goodness with every possible charm .
他必须具有爱德华的一切美德，他的为人和风度必须以各种可能的魅力来美化他这种美德。 |
