Translation of "Owing" in Chinese

Many flights were canceled, owing to the typhoon.

由于台风原因，很多航班被取消了。

- Many flights were canceled, owing to the typhoon.
- Many flights were canceled because of the typhoon.

很多班機因為颱風被取消了。

- We put off our departure owing to the storm.
- We postponed our departure because of the storm.

我們因為風暴推遲了起程。

I regret that I will be unable to meet you on February 27 owing to an unexpected matter.

- 因为临时有事，我很抱歉在2月27日那天不能跟你们碰面了。
- 因为临时有事，我很抱歉在2月27日那天不能跟您碰面了。