In so doing, the two airlines put in mothballs two legacy system they have used for the last four decades.

这意味着，两家航空公司放弃了他们沿用了四十年的旧系统。

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But manned space flight in America is now in mothballs, and in these dispirited times even the pride visitors take in the dam is mingled with wistfulness.

但是如今，美国的载人航天飞行计划陷入停滞；一个沮丧的时代，即便是胡佛水坝游客的自豪之情，也掺入了几分忧伤。

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In the old days, men only dressed up on special occasions, and while the suit might have survived months in mothballs, the socks invariably continued to get worn (to death).

在过去，男士只会在特殊场合才盛装打扮。套装会与樟脑丸一起存放数月，而袜子就一直被穿到坏掉。

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But for now the project is in mothballs.

FORBES: Fact and Comment

Keeping mothballs in your tool chest will help to prevent rust.

FORBES: Christmas Dinner Conversation Starters

He accepted the argument that in an international crisis, having to bring one of these deadly subs out of mothballs could in itself be a fateful act of escalation.

ECONOMIST: A truce has been reached in the battle over defence cuts