translation.en: Now, to do that, we need to be able to bring a camera and instruments in together through one small tube, like that tube you saw in the laparoscopy video.
translation.zh: 现在要那样做的话， 我们需要能带一个摄像头 和一些器械，一起穿过小的管道， 就象你在电视腹腔镜手术看到的那个管子一样，