不管汽车生产厂商多么尽力生产有益于环保的汽车，汽车还会以种种不同方式破坏我们的地球。
No matter how much manufacturers try to make cars environmentally friendly, it will damage our earth in one way or another.
为了创造一个有益于环保和安全的世界，每个国家都有必要定出汽车限额，并限制发放许可证的数量，以控制地区的空气污染。
In order to create an environmentally friendly and safe world, it is necessary for each country to set vehicular quotas and limit the permits in number to control regional air pollution.
潮汐发电机对环境几乎没有或是察觉不到有什么影响，它们是静默的并有益于环保，且不会伤害海洋生物。
Tidal power generators have little or no visual impact, they are silent, environmentally benign and will not harm Marine life.
潮汐发电机对环境几乎没有或是察觉不到有什么影响，它们是静默的并有益于环保，且不会伤害海洋生物。
Tidal power generators have little or no visual impact, they are silent, environmentally benign and will not harm Marine life.
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