2 . 当我们搜寻一些信息时，我们可以通过触屏来操作。
________, we can operate by touching the screen.

3 . A group of Tibetan antelopes is moving under the bridge, ________ to eat grass at their leisure.
一群藏羚羊正从桥下走过，有的停下来悠闲地吃草。