But of course, these apps have all had to roll computer vision, the computer vision technology on their own.

但当然，这些应用程序全都使用计算机影像，把计算机影像用在自己身上。

2019 was a big year for such vision technology, but we have no doubt that 2020 will be a bigger year.

2019 年是此类视觉技术的大年，但我们毫不怀疑 2020 年将是更大的一年。