物竞天择,大浪淘沙。现如今市场经济的最大特点就是竞争,竞争几乎已经渗透到人类活动的所有领域。作为个体,差不多从进幼儿园开始,就可能感受到了竞争的压力。走进社会以后,不论是务工还是务农,不论是经商还是从政或是搞科研文化,竞争几乎无时不在,无处不有。在这种情况下,人们会自然地想到一 Natural selection, Ebb Tide. Nowadays the most prominent feature of a market economy is competition. Competition has infiltrated almost all areas of human activity. As an individual, almost into kindergarten, you may feel the pressure of competition. After entering the community, whether it is working or farming, whether it is business or political or scientific research culture, competition is almost always and everywhere, everywhere. Under such circumstances, people will naturally think of one