This is very good news for commercial space travelers.
这对商业太空旅行者来说是个非常好的消息。
大商业时代
He was perhaps the greatest commercial traveler this country has ever known.
他也许是这个国家所知道的最伟大的商业旅行者。
西南联大英文教本
Already at the age of twenty-five you see the professional mannerism settling down on the young commercial traveler, on the young doctor, on the young minister, on the young counselor at law.