Not all of them were acting out of self-interest.
他們當中，并非所有人的行動都是出于利己的目的。
牛津詞典
Their current protests are motivated purely by self-interest.
他們當前的抗議完全是受一己之利驅(qū)使的。
Committing your life to creating value is in your own immediate and direct self – interest.
驅(qū)使你的生命去創(chuàng)造以你自己為中心的所想立即與直接獲取的價值.
期刊摘選
Unlike the trust model, it channels both self interest and altruism to serve the public good.
和信任模式不同,這個模式引導了自己興趣和利他主義去服務公共物品.
期刊摘選
As the world's food security falls to pieces, individual countries acting in their own self-interest are actually worsening the troubles of many.
2016年6月四級真題（第一套）閱讀 Section B