RidingaLondonsubway,apersonfromChinawillnoticeonemajord...
问题详情：RidingaLondonsubway,apersonfromChinawillnoticeonemajordifference:inLondon,peopledonotlookateachother.Infact,eyecontactisavoidedatalltimes.That'snotrudeness—peoplearejusttoobusytobotherlookin...