for the sake of sb / sth
為了某人(或某事)起見;因某人(或某事)的緣故
in order to help sb / sth or because you like sb / sth
They stayed together for the sake of the children.為了孩子,他們還待在一起。
for sth's sake
為某事本身的緣故;鑑於某事本身的價值
because of the interest or value sth has, not because of the advantages it may bring
I believe in education for its own sake.我相信教育本身就是有價值的。
釋義來自《牛津高階英漢雙解詞典》第 9 版