1. This is a pity, because noise abatement really is a good
    这是件憾事, 因为减小噪音确实是一件好事,

2. This is a pity, because noise abatement really is a good cause, and it is likely to be discredited if it gets to be associated with bad science.
    要求减少噪音是件好事，但是如果与拙劣的科学掺杂在一起的话，就不会被人们所信任，这是很遗憾的。