- 问题详情:Countriesmayberankedbymanyvariousgroups,suchashowexpensiveorinterestingtheyaretoforeigntourists.Theycanalsoberankedbytheiropennessandfriendlinesstowardvisitors.Youmightbeshockedtofindoutthat,forexample,theUSAisnumber102onthelistoftheleastwelc...
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