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- In our pioneering days this aggressiveness was essential to survival. 在开拓时期，这种进攻性是生存的必要条件。
- Food, the vehicle for providing nutrients to the body, adds pleasure to life as well as being essential to survival. 食物,为身体提供营养素的工具,增加生活快乐的同时也是生存的基础。
- It is essential to balance one's budget. 量入为出是很重要的。
- Mutual understanding is essential to friendship. 相互理解对友谊至关重要。
- Impartiality is essential to a judge. 公平是当法官所必需的。
- Hard work is essential to success. 成功必须努力工作。
- Having good gear and items is essential to surviving and prospering in Lineage II, which makes money far more important in this game than in most others of its kind. 拥有好的装备与物品在天堂二里面是赖与生存与发展的基本要素，因此在这款游戏里金钱比其他同类型游戏要来得更为重要。
- It is essential to rally the broad masses of the people round. 把广大人民群众团结起来是极为重要的。
- Is money essential to happiness? 金钱对於幸福是必不可少的吗?
- Israeli politics go to survival. 以色列的政策是为生存。
- The urge to survive drove them on. 求生的欲望驱使他们继续努力。
- You need to be tough to survive in the jungle. 要在丛林中活下来就要有坚忍不拔的意志。
- Exercise and fresh air are essential to our health. 锻炼和新鲜空气对于健康是必不可少的。
- They believe it is essential to defy convention. 他们认为反抗流俗是绝对必要的。
- Impartiality is absolutely essential to a judge. 法官最要紧的是公正无私。
- In times like these KNOWLEDGE IS THE KEYb TO SURVIVAL. 就现在的时势来看;只有知识才是生存之本.
- Essential to a happy life is freedom from care. 无忧无虑，幸福之基。
- Sleep and good food are essential to health. 睡眠兴良好食物封健康是必要的。
- Phosphorus is essential to plant growth. 植物生长需要磷。
- Air is essential to all living things. 空气对一切生物都是必不可少的。
