来自陈文吾的问题
【这里的and是并列还是因果的意思?Thetripperiodwillnotbechangedunlessallthepublictransportationstopsrunningduetonaturaldisasters【and】peopleareunabletoreachourresorts.并列：除非是因灾停运和人来不了】
这里的and是并列还是因果的意思?
Thetripperiodwillnotbechangedunlessallthepublictransportationstopsrunningduetonaturaldisasters【and】peopleareunabletoreachourresorts.
并列：除非是因灾停运和人来不了这两种情况,旅行日程不会变
因果：因为停运所以人来不了
