routes google s routes google s
路线谷歌的路线谷歌的路线
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The toughest market to crack, though, is going to be the US, partly because there are big search engines already dominating travel bookings there, including Kayak and Google, and also because there's a less confusing range of choice on air routes.
BBC: Scanning for online sales
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