process method of cost-finding

例句：

1. 1. The process of learning anew language is challenging.
   学习一门新语言的过程很有挑战性。
2. 2. The company'sprocess for producing goods is efficient.
   该公司生产商品的过程效率高。
3. 3. The process of writing anessay involves organizing your thoughts and presentingthem in a clear and concisemanner.
   写一篇作文的过程包括组织你的思想，并以清晰和简洁的方式呈现它们。