ut for 和 except for
没有实质上的区别
都有
“若非为了”, “要不是为了”, ”除外" 之意 （按语境）
英语字典对
but for
就有这个定义：
But for = Except for, were it not for.
例句：
But for the afternoon shower, it was a perfect day
除了午后阵雨,这是完美的一天
But for the children, they would have gotten a divorce long ago.
若不是为了孩子们,他们早以前就离婚了.
希望帮到了你,满意敬请采纳,谢谢.