没有这些技能，他们就不能足够深入地去思考开发中的产品，他们也就有可能无法识别出足够多的各类测试用例。

Without those skills, they can't think critically enough about the product under development, and they might not be able to create enough variety of tests.

youdao

LR：那些有眼动跟踪设备的用户测试公司可以告诉你那个设备有多棒，而那些没有这些设备的会说那个机器并不重要。

LR: Well, user testing companies that have eye tracking will tell you its wonderful and those that don't will tell you it doesn't matter.

youdao

在这些年内，如此多的人写了那么多的测试，没有人清楚所有这些测试所测的是什么。

And there were so many tests written by so many people over the years, that no one had a very good idea of what all the tests tested.

youdao