test something out
phrasal verb with test verb [ T ] uk/test/ us/test/
检验，试验（尤指理论或想法）
to test something, especially a theory or an idea, to find out how it works in a practical situation or how people react to it
The students tested out their cost-cutting ideas in several companies. 学生们在几家公司试验了他们降低成本的构想。