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。
Dressed in dark glasses and old clothes, they had taken special precautions so that no one should recognize them.
他们戴着墨镜,穿着旧衣裳,特别小心以防别人认出他们。