When one door closes another door opens, but we so often look so long and so regretfully upon the closed door, that we do not see the ones which open for us!

当一扇门关闭的时候，另一扇门就打开了；但我们经常长久而懊悔地望着那扇关闭的门，乃至看不见为我们敞开的那些门！

youdao

When one door closes, another door opens.

当一扇门关上时，另一扇会打开。——塞万提斯。

youdao

One cannot do anything about yesterday. When one door closes, another door opens. The greater opportunity nearly always lies through the open door.

没有人能改变昨天发生的事。当一扇门关上时，另一扇门就打开了。越过打开的门，往往能找到更大的机会。

youdao

He is an optimist and a serious proponent of the "one door closes, another door opens" philosophy.

WSJ: Michael Chiklis | Heavy Opportunities | A Cultural Conversation by Joanne Kaufman

As they say, when one door closes another door opens.

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The rear door closes and another opens ahead to reveal an arc- shaped bank of computers.

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