Americans have always been very pro business, pro competition, pro free market.
美国人一向很支持商业，支持竞争，支持自由市场。
《柯林斯英汉双解大词典》
2
The struggle for existence occurs not in fights, but in the competition for limited feeding areas and for the occupancy of areas free from meat-eating animals.
为生存而进行的斗争不是发生在战斗中，而是在争夺有限的觅食区和占用没有肉食动物的区域的竞争中。
3
The struggle for existence occurs not in such fights, but in the competition for limited feeding areas and for the occupancy of areas free from meat-eating animals.