wǒ men / zhèng zài / tǎo lùn / fāng àn / tā / tū fā qí xiǎng / tí chū / le / yí gè / quán xīn / de / xiǎng fǎ

我们正在讨论方案，她突发奇想提出了一个全新的想法。

While we were discussing the plan, she suddenly had a thought and proposed a completely new idea.