插混换到纯电的两万公里后，我不再有里程焦虑了

Indicates a change or transition from one state/time/place to another. Shows progression or transformation over time.

Expresses that as one thing increases or changes, another thing increases or changes proportionally. Shows correlation between two actions or states.

Indicates logical consequence: since a certain condition exists, a certain action or conclusion follows. Shows cause and result relationship.

Used to add additional information or emphasize multiple aspects. The second clause often presents something more significant or unexpected.

Expresses causation where 由于 introduces the reason or cause, and the result follows. Commonly used in formal or written Chinese.