They met again after a gap of twenty years.

他们阔别二十年后又见面了。

《牛津词典》

India and Sri Lanka have launched their first ferry service after a gap of 30 years.

印度和斯里兰卡三十年来第一次开设轮渡服务。

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John Flamsteed, the first Astronomer Royal, observed one in 1684, after a gap of ten years.

第一位皇家天文学家，约翰·弗拉姆斯蒂德，则在1684年，间隔十年后，观测到了一个黑子。

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It has also just resumed its flights to Western Europe after a gap of 20 years.

BBC: Peruvians help Afghan airline

Last year, the World Bank started lending to Burma after a gap of 25 years.

BBC: Burma gets Asian Development Bank and World Bank loans

The narrator meets his friend Ali at London's Heathrow airport, after a gap of 17 years.

ECONOMIST: New Arab fiction