Bicausality
双重因果关系
🗣️ 情景例句
We know.
我们知道。
When three know it, all know it.
三人知，天下晓。
Well, have you considered using the lab in your free class? I suggest you ask Mr. Wu.
噢，你是否考虑过在自习课上利用这个实验室？我建议你问问吴先生。