【简答题】Three engineers(工程师) and three accountants (会计) were traveling by train to a meeting. At the station, the three accountants each bought a ticket, but the three engineers bought only a single ticket. “...
【简答题】Three engineers and three accountants (会计) are traveling by train to a conference.At the station,the three accountants each buy tickets and watch as the three engineers buy only a single ticket. “How ...