1. The raw material for the tyre is a byproduct of oil refining. 这种轮胎的原料是汽油提炼的副产品。
2. They believe that constant motion somehow generates leadership as a byproduct. 他们认为，经常性的运动会由于某种原因产生领导力这一副产品。
3. In that, once more, we need to look to the example of our children, to whom happiness is not a goal but a natural byproduct of the way they live. 正因此，我们需要再一次以我们的孩子为榜样，对他们来说，幸福不是目标，而是生活方式的自然的副产品。
4. And in that, once more, we need to look to the example of our children, to whom happiness is not a goal but a natural byproduct of the way they live. 在这方面再一次地，我们需要以孩子为榜样，他们是不把幸福当做目标而是当做生活方式的自然副产品的人。
5. Utilising the cheap and plentiful coal tar that was an almost unlimited byproduct of London's gas street lighting, the dye works began producing the world's first synthetically dyed material in 1857. 煤焦油是伦敦煤气道路照明几乎无限的副产物，利用便宜量大的煤焦油，染厂于1857年开始生产世界上第一种合成染色材料。
