不过，她表示，一种新产品得经过多种必需的测试和试验才能使用，而这个过程得耗上好几年。

But she said it would take many years for a product to go through the necessary tests and trials.

youdao

不过，她表示，一种新产品得经过多种必需的测试和试验才能使用，而这个过程得耗上好几年。

But she said it would take many years for a product to go through the necessary tests and trials.

youdao