argument 讲一个A 航空公司今年的利润下降了,今年有两个变化第一是今年燃油价格上涨第二是今年新开了5条航线,但由于其它航空公司也面临油价上涨问题但他们盈利了,所以是新开辟的航线导致利润下降,所以航空公司should eliminate new added airline issue “Everywhere, it seems, there are clear and positive signs that people are becoming more respectful of one another’s differences.” 阅读 书店题 绵羊题 和地球降温