Individual self interest does not always benefit society, he argues, and draws on a deep pool of research (what he calls "reality-based economics") to support his case.
他认为个人的利益并不总是对社会有利，并利用深入调研(作者称之为“基于现实的经济学”)加以证明。
2
Such cooperation does not only serve the interest of the two sides, but also benefit the stability of international energy market.
这样的合作不仅符合双方利益，也有利于国际能源市场的稳定。
3
Paying lower interest rates on debt is not the only benefit of having good credit.