The two bar charts compare the average price (USD) of flights operated by three different airlines from City H to four cities in Africa, in October and December 2017.

　　主体段分段方法：一图一段

　　开头段

　　The bar charts compare the ticket prices charged by three airlines based in City H for flights to four African cities (Cairo, Lagos, Nairobi, and Cape Town) in October and December of 2017.

　　概述段

　　Overall, all three airlines increased their prices, with flights to Cape Town consistently charging the highest in both months. Among them, Airline C remained the priciest option to all four cities, while Airline A was the most economical choice.
　　思路要点：
　　- ABC价格都上升
　　-三种航班去Cape Town的价格都
　　- C两个月份收费都，A两个月份收费都

　　Body paragraph 1

　　In October, Airline C’s fare to Cape Town was the highest at $470, closely followed by its fees for Cairo at $450 and Lagos at $420. Conversely, only $400 was charged for Nairobi. Airline B followed a similar pattern, with Cape Town remaining the most expensive destination ($400) and Nairobi the cheapest ($330). Airline A, by contrast, offered the most economical flights to all four cities, with fares ranging from $280 to $350.
　　思路要点：October
　　- Airline C：去Cape Town的航班收费($470)，Cairo第二($450)，Lagos 第三($420)，Nairobi仅为$400
　　- Airline B：和Airline B相同的收费排名，Cape Town收费依旧($400)、Nairobi($330)
　　- Airline A：四个城市的航班收费，区间范围是$280(Nairobi)到$350(Cape Town)

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