Mr Smith works with an auto company ,but he is working for this industrial exhibition ,since he is
问题描述：
Mr Smith works with an auto company ,but he is working for this industrial exhibition ,since he is
on leave .准确翻译(理顺他的几个工作的关系）,帮助我理解为什么答案是is working
答
Smith先生在一家自动化公司上班；但由于他在休假期间（实际并未去休假）,所以他现在（有时间）在帮忙搞工业品展览（也许是第二职业）