Boys and girls may behave differently.

男孩儿和女孩儿的表现可能不同。

《牛津词典》

The building will house twelve boys and eight girls.

这栋房子要住12个男孩和8个女孩。

《柯林斯英汉双解大词典》

We treat boys exactly the same as girls.

男孩、女孩我们完全同等对待。

《牛津词典》

There aren't very many examples of names which are equally popular for both boys and girls for a really long period."

VOA: special.2009.07.06

There is a bias toward boys or a bias against girls there So you have to look at a lot of things about websites and software You have to look at gender, you have to look at nationality, language, accessibility, so major for issues.

一种对于男孩偏爱却对女孩偏见的态度,因此对于网页和软件,我们必须仔细观察,必须观察性别，国籍，语言，可接近性等一系列重要的问题。

麻省理工公开课 - 媒体、教育、市场课程节选

It's for both boys and girls. You can pick up loads of accessories and key items.

男女的东西都有。你可以找到很多饰品和主要的物件。

推荐古老店铺 - SpeakingMax英语口语达人

It was also a special occasion for the boys and girls from Kings Worthy Primary School, Winchester, who acted as bell boys and girls, handing out programmes to the specially-invited guests.

BBC: Queen Elizabeth naming ceremony 'a privilege'

The scientists showed six film clips involving social interactions, like boys playing baseball or kids chatting, to 52 boys and 18 girls with autism as well as to 26 and 36 typically developing boys and girls, respectively.

WSJ: How Autism Is Different in Girls vs. Boys

In maths and science boys and girls perform much the same at primary school, but at age 15 boys do rather better than girls in maths (though not science).

ECONOMIST: A world of bluestockings