这些工厂已经取代了旅游业而成为该国最大的外汇来源。

These factories have displaced tourism as the country's largest source of foreign exchange.

《柯林斯英汉双解大词典》

糖的出口和旅游业的增长-每年有300,000到400,000名游客-是外汇收入的主要来源。

Sugar exports and a growing tourist industry - with 300,000 to 400,000 tourists annually - are the major sources of foreign exchange.

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但现在，旅游业、镍矿开采和旅居国外的古巴人的汇款是外汇的主要来源。

But for now, tourism and nickel mining, along with remittances from Cubans living abroad, are the country's largest sources of foreign currency.

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