在博茨瓦纳，奥卡万戈旅游业是仅次于开采钻石来赚取外汇的行业。
In Botswana, Okavango tourism is second to only diamond mining as a foreign-exchange earner.
游览博茨瓦纳的奥卡万戈三角洲的最好途径是参加有组织的探险队，不过这很贵。
The best way to see Botswana's Okavango Delta is on an organised expedition but these are expensive.
夕阳西下，博茨瓦纳的奥卡万戈三角洲被一片紫色的光辉所照耀，驴羚正在休息。
Lechwe rest as the setting sun casts a purple glow over Botswana's Okavango Delta.
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