the saving grace 可取之处
A single positive quality or benefit that redeems something with numerous negative qualities and no other benefits.
例句
My new job is difficult, pays poorly, and demands that I work far too much, but the saving grace is that I can do it with just a cell phone and a laptop and don't need an office.我的工作很难,薪水很低,对工作量的要求非常大,但可取之处是我只需一部手机和一台笔记本电脑就能工作,不需要办公室。