英汉词典

1. 大多;多半;主要地
    You use mostly to indicate that a statement is generally true, for example true about the majority of a group of things or people, true most of the time, or true in most respects.

    e.g. I am working with mostly highly motivated people...
           和我共事的人大多积极性极高。
    e.g. Cars are mostly metal.
           轿车的大部分部件是金属制造的。