He \ 's away on a business trip this week.
这个星期他外出办事去了。
When the young man "s business got too big for him to peddle on foot, he obtained the delivery services of the local milk truck and started a makeshift mail-order catalogue."
当这个年轻人的生意越做越大,以致于无法再徒步沿街叫卖时,他购得当地牛奶卡车的递送服务,并且开始使用临时代用的邮购目录。
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