A pragmatic theory that ideas are instruments that function as guides of action, their validity being determined by the success of the action.
工具主义一种实用主义理论，认为思想是指导行为的工具，行为的成功证明其手段合理
Something that controls, guides, or curbs.
控制物起控制、引导或约束力的事物
The museum uses volunteers from the community who act as guides to show visitors the displays of local artists' work.
博物馆利用当地居民中的志愿人员作向导，带领参加者观看当地艺术家作品的展览。
