在開發階段﹐Apple 用不同的方案去試驗這個有挑戰的產品的翻译：During the development phase, and Apple use different scenarios to test the challenging product 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

During the development phase, apple program to test different products in this challenging

During the development phase, and Apple use different scenarios to test the challenging product

Experiments this in phase of exploitation ﹐ Apple with the different plan to have the challenge product

under development, Apple used different programs to test the challenges of products

During the development phase, and Apple use different scenarios to test the challenging product