连词 - 原因和目的的连接

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

因为

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

存在

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

鉴于

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

以便

used to provide a reason or explanation for the main clause

于

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

免得

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

既然

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

为了使

based on the reasons or justifications that are provided

理由是

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

条件是