用很多方法用英语怎么说

"by many means" 可以用来表示用很多方法。这是一个固定短语，来源于英语中的常用表达。
例句：
We will achieve our goal by many means. 我们会用很多方法实现目标。
He tried to learn the language by many means, including taking classes, watching movies and listening to music. 他试图用很多方法学习语言，包括上课，看电影和听音乐。
The company has been able to reduce costs by many means, including automation and outsourcing. 公司已经能够通过很多方法降低成本，包括自动化和外包。