shaper

He concluded that the sexual drive was the most powerful shaper of a person's psychology, and that sexuality was present even in infants.

他得出的结论是，性冲动是个人心理最有力的塑造者，即使是婴儿，他们也有性欲。

Say what you will about Apple, but Steve Jobs’ company is a market shaper, and the iPad is the only tablet that could shove the computing world in a new direction.

不管怎么说苹果公司，这个史蒂夫乔布斯的公司都是一个市场塑造者，iPad将是唯一引领计算界新方向的平板电脑。