连词 - 因果关系

used for introducing the reason of something

因为, 由于

used to express a reason for something

used to summarize or draw a conclusion based on previous information or to provide a logical inference

所以, 因此

used to provide a reason, explanation, or context for the main clause

因为, 由于

used to indicate a result or outcome related to what has just been said or happened

现在既然你完成了工作，你可以休息一下。, 现在因为你已经完成了工作，所以你可以休息一下。

used to provide context or justification for an action, decision, or statement

鉴于, 考虑到