for the benefit or good of someone or something 利益；好处 for someone's sake : We hope for her sake that the wedding goes as planned. 为了她好我们希望婚礼按计划进行。
for the sake of something : He agreed to resign for the sake of the party. 他为了党的利益同意辞职。
for someone's own sake : I'm not just doing this for my own sake, you know. 我做这件事不只是为我自己，你知道。
Synonyms and related words
Advantages and benefits: advantage, benefit, good...