连词 - 原因和目的的连接

used to introduce reasons, explanations, or purposes for actions, events, or statements

因为, 由于

used to introduce a reason, cause, or explanation for the main clause

由于他感到不适, 他决定留在家里。

used to express that one is considering a particular fact before sharing one's opinion or making a judgment

鉴于, 考虑到

used to expresse purpose or intention, explaining the reason behind the main clause

以便, 为了

used to provide a reason or explanation for the main clause

当...时, 在这种情况下

used to indicate a precaution or attempt to avoid a particular undesirable outcome

以免, 免得

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 indicate that something is done with the aim of achieving a specific outcome

以便, 为了

based on the reasons or justifications that are provided

基于, 由于

used to introduce a condition that is considered as the basis for a particular action or decision

基于假设, 在假设的前提下