Maybe a career as a local grocer would be a better option.

【翻译】也许，在当地干杂货店主这个职业将是一个更好的选择。

as a local grocer 作定语，修饰career，说明具体的职业。又如：

His love of languages inclined him towards a career as a translator.

他对语言的热爱促使他从事翻译工作。

What made you decide on a career as a vet?

是什么驱使你选择兽医这门职业的?

I don't feel well suited to a career as a teacher.

我认为自己不是很适合做教师这项工作。

He has broken into a career as an international journalist.

他开始了他作为国际新闻记者的生涯。

I'm glad you decided against a career as an actress.

我很高兴你决定不干演戏这一行了。

He abandoned teaching in favour of a career as a musician.

他弃教从事音乐。

His evening study has equipped him for a career as a teacher.

夜校学习使他能担任教师的工作。