Once one person looks at their phone, other people feel compelled to do the same, starting a chainreaction.
一旦有人看了他们的手机，其他人也会觉得有必要这样做，从而引发连锁反应。
2
The first volume is tipped over and hits the second book, starting a chainreaction of toppling books, swords, vegetables and other objects arranged in increasingly elaborate configurations.