1、She mainly focuses on her career and doesn't have much time for socializing.
她主要关注自己的事业，没有太多时间社交。

2、The company's success is mainly attributed to its innovative products.
公司的成功主要归功于其创新的产品。

3、I mainly eat vegetarian food, but occasionally I will have some meat.
我主要吃素食，但偶尔会吃些肉。