Perhaps as important is the relation between the existence of solutions to a competitive equilibrium and the problems of normative or welfare economics.

【释义】与人相处的忌讳，莫过于总喜欢充当别人的老师。

The passion to be reckoned upon is fear.

写作的行为是一种勇气的行为。

Innovation in fisheries management is key to balancing economic needs with environmental stewardship.

反馈的研究就是稳定性的研究。