他到过非洲。
他率领着当时世界上最强大的船队，在28年间到过30多个国家，最远到达非洲东海岸。
In 28 years, Zheng he's fleet, the strongest in the world back then, visited more than 30 countries and went as far as to the east coast of Africa.
他从未到过非洲，而且事情也并不像表面看起来那么简单。
He had never been to Africa, and things have not as obvious as it may seem simple.
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