作为经济理论家的杰文斯的英文

jevons as an economic theorist

• 作为:    conduct; deed; act ...
• 经济:    economy
• 理论家:    theoretician
• 的:    4次方是 The fourth po ...
• 杰:    outstanding person ...
• 文:    character; script; ...
• 斯:    this