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。
Historians have long been puzzled by dots, lines and symbols which have been engraved on walls, bones, and the ivory tusks of mammoths.
长期以来,历史学家一直对雕刻在墙壁上、骨头上、古代长毛象的象牙上的点、线和形形色色的符号感到困惑不解。