在线急等，帮忙中译英，谢谢，不要机译哦

I did not send e-mail records
I do not know why this happens
If the recurrence of similar situations in the future
望采纳

My mailbox nor send record. I don't know why will appear this kind of circumstance If future again occurrence similar situation.

1 there is not any record of delivery left in my email-box.
2 temporarily i have no idea why such problem took place.
3 if any assemble situation occur once more in the future...

1，my mailbox didnot receive sending message.
2,I do not why this has happen for the moment.
3,if similar stuation happens in the future