宝库
goldmines — plural of goldmine
金矿；宝库；致富之源；成功的企业；赢得巨利的活动
宝库；致富之源
a good source of something that is desired
金矿
a mine where gold ore is found
The old goldmine was closed after all the gold had been extracted.
那座旧金矿在黄金被开采完后关闭了。
用法提示：这里 goldmine 是字面意思，指一座金矿。
Her online store turned out to be a goldmine, earning millions in its first year.
她的网店结果成了一座金矿，第一年就赚了几百万。
用法提示：这里 goldmine 是比喻义，指非常赚钱的企业。
The library's archive is a goldmine of historical documents for researchers.
图书馆的档案对于研究者来说是一座历史文献的金矿。
用法提示：这里 goldmine 是比喻义，指丰富的信息来源。
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Dictionary facts from ECDICT, WIKTIONARY, WORDNET.
