它采用大圈公式计算旅行里程。
It USES the great circle formula to compute the travel mileage.
而乘客旅行里程数的等效数据是：汽车：75%，飞机：24%，火车：1%。
The equivalent figures for passenger kilometres are 75% by automobile, 24% by air and 1% by heavy rail.
航空旅行里程数和礼物的奖励方式都还不错，但是如果你有现金揣在口袋中，你可以想买什么就买什么。
Airline miles and gifts are fine, but if you have the cash in your wallet, you can make your own purchasing decisions.
应用推荐