2 sentences

1. 这一决定引发了一连串的连锁反应。

   zhè yī jué​dìng yǐn​fā le yī​lián​chuàn de lián​suǒ fǎn​yìng.

   This decision triggered a series of chain reactions.

   Source: Dong Chinese Dictionary

2. 这一连串的事件引发了多米诺效应。

   zhè yī​lián​chuàn de shì​jiàn yǐn​fā le duō​mǐ​nuò xiào​yìng.

   This series of events triggered a domino effect.

   Source: Dong Chinese Dictionary