He put a plus instead of a minus.

他填了个加号而不是减号。

《牛津词典》

This is a minus sign.

这是一个减号。

youdao

So, and there's a minus sign here.

这里有个符号。

youdao

Getting a grade like a B-plus or a C-minus adds or subtracts a few tenths of a point.

VOA: special.2009.03.05

So now I've got this gamma placed in there, -1 gamma minus 1, so I've ben feeling a little bit better.

这样我把这里的指数，换成γ,这样看起来舒服一些。

麻省理工公开课 - 热力学与动力学课程节选

Well, I'll give you a hint, it starts with a minus. What next?

好的，我会给你一个提示，第一个数是-，接下来呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

We asked whether being a woman was a plus or a minus for a campaign.

NPR: Political Junkie: Three Weeks to Pennsylvania

Whether this is a plus or a minus is up to the individual player.

FORBES: Review: LEGO Lord of the Rings

Of course, what looks like a plus for merchants can look more like a minus for consumers.

FORBES: Bitcoin Is A Disruptive Technology