It's a kind of crazy montage of vacant looking people, machines, and explosions.

这是一种疯狂的蒙太奇，充满了空虚的人、机器和爆炸。

She stared straight ahead with a vacant look, trying to grasp the important moment.

她带着迷茫的神情凝视着前方，努力要抓住这重要的时刻。

The online campaign, titled “Rescue Molly the Little Elephant”, took off when pictures emerged of a glum-looking Molly with a vacant look in her eyes.

这场名为“拯救小象莫莉”的网络活动开始了，当时出现了一张照片，照片中的莫莉看起来闷闷不乐，眼神茫然。