| 1. | Public transport is a lifeline for many rural communities .
公共交通对许多农村居民来说是不可或缺的。 |
| 2. | Fertile soil is indispensable for agriculture
肥沃土壤对农业而言是不可或缺的。 |
| 3. | In today ' s industrial society , … is indispensable to life
是生命不可或缺的。 |
| 4. | Your passport is essential for international travel
出国旅行，护照是不可或缺的。 |
| 5. | Computers have become part of everyday life
电脑已经成为生活中不可或缺的一部分。 |
| 6. | Steel is an integral part of a modern skyscraper
钢是现代摩天大厦不可或缺的零件。 |
| 7. | These tools are handy , but not critical
这两个工具会带来便利，但并不是不可或缺的。 |
| 8. | To see this clearly , a magnifying glass is essential
要看清楚,放大镜是不可或缺的。 |
| 9. | Master s teachings are very vital for me now
现在，师父教理是我不可或缺的精神食粮。 |
| 10. | Ensemble training is an integral part of music learning
奏是音乐训练不可或缺的部份。 |
