For example, when the sum of a and B doesn't equal 100, you cannot say that the value for a alone or B alone is at fault.

例如，如果A和B的和不等于100，那么不能只指出a错了或b错了。

youdao

He was sitting alone, smoking a big cigar.

他那时正独自坐着，抽着一根大雪茄。

《柯林斯英汉双解大词典》

I spent a miserable weekend alone at home.

我独自一人在家度过了一个惨兮兮的周末。

《牛津词典》

"There are almost a quarter of a million concealed handgun permit holders in Virginia alone and this will allow them again to have a choice when they go out to eat."

VOA: standard.2010.07.06

50 billion of that accounted by a trade and balance with China alone What do you do with those data?

其中单与中国的就高达2，500亿美元,你们怎么看待这些数据？

斯坦福公开课 - 经济学课程节选

If you're a little bit stressed out, and you really just need to be alone,

如果你身处于紧张的压力之下，你也许想要一个人待着，

I need 课堂 - SpeakingMax英语口语达人

This distinction will lead you to decide if you need a stand-alone website and a stand-alone app (with all of the extra development time and expense that entails) or if you can start with a responsive website that can do it all (with potential performance and device functionality penalties).

FORBES: General Assembly: Learn To Talk Like A Mobile App Genius In Just One Hour (Or Less)

We looked over and saw a guy alone at a table, holding one of those giant, newfangled portable phones to his ear.

FORBES: Cell Phone Time Machine

It was also an unconventional time to launch a company let alone a technology company.

FORBES: A Better Way to Manage the Customer Journey