Robert Koopman and Zhi Wang are chief economist and economist, respectively, at the U. S. International Trade Commission.
罗伯特·库伯曼和王直（音译）分别是 美国国际贸易委员会的首席经济学家和经济学家。
2
During our short visit in this hotel, we run into Mr. Koopman frequently, who is making inspection here and there in the lobby. Mr.
我们有限几次出入酒店的过程中，就时常能与在大堂巡视的古浦迈先生邂逅。
3
Koopman has emerged as one of lowbrow's preeminent female artists with her fine detail for beauty - showing the elegance, strengths, and vulnerabilities of femininity.