Some do it for an endless pursuit of profit, and others, for the sake of the well-being of the society.
有人做生意是为了无止境的追求利润,有的人是为了社会的繁荣。
What is needed in the case of noise is a study of large numbers of people living under noisy conditions,
对于噪音问题,需要对大量生活在噪音中的人进行研究,