It is good practice to supply a written report to the buyer.
向买主提供书面报告是诚信的做法。
It is good that there is a wide cross-section of sport on television.
电视体育节目丰富多彩，令人满意。
It is good enough to earn ten thousand yuan or so a month.
一个月赚个万儿八千的相当不错了。
It is good for your health.
这对你的健康有好处。
It is good to know that our brain is "looking out for us" in a new place.
我们的大脑会在新的地方“寻找我们”，这是一件好事。