一切迄今为止社会的历史都是阶级斗争的历史。
The competition in the semiconductor industry is, in the final analysis, a competition for talents.
译文:年纪大了经不起生死离别,在异乡的日子里眼泪总打湿衣裳。
Biology is the study of complicated things that give the appearance of having been designed for a purpose.
The only limit to our realization of tomorrow is our doubts of today.